Linux man pages (HTML) - man8: System administration

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

A

ab - Apache HTTP server benchmarking tool
acctdisk - produces consolidated accounting records
acctdusg - reads standard input and computes disk resource consumption
accton - turns process accounting on or off
actctrl - configure IBM Active 2000 ISDN adaptor
actsync - synchronize newsgroups
actsyncd - run actsync to synchronize newsgroups
adduser - Create a new user or update default new user information
adjtimex - display or set the kernel time variables
adsl-connect - Shell script to manage a PPPoE link
adsl-start - Shell script to bring up a PPPoE link
adsl-status - Shell script to report on status of PPPoE link
adsl-stop - Shell script to shut down a PPPoE link
agetty - alternative Linux getty
amadmin - administrative interface to control Amanda back­ ups
amanda - Advanced Maryland Automatic Network Disk Archiver
amcheck - run Amanda self-checks
amcheckdb - check Amanda database for tape consistency
amcleanup - run the Amanda cleanup process after a failure
amd - automatically mount file systems
amdump - back up all disks in an Amanda configuration
amflush - flush Amanda backup files from holding disk to tape
amlabel - label an Amanda tape
amoverview - display file systems processed by Amanda over time
amplot - visualize the behavior of Amanda
amq - automounter query tool
amrecover - Amanda index database browser
amreport - generate a formatted output of statistics for an Amanda run
amrestore - extract backup images from an Amanda tape
amrmtape - remove a tape from the Amanda database
amstatus - display the state of an Amanda run
amtape - user interface to Amanda tape changer controls
amtoc - generate TOC (Table Of Contents) for an Amanda run
amverify - check an Amanda tape for errors
anacron - runs commands periodically
ap - parse addresses 822-style
apachectl - Apache HTTP server control interface
apcsmart - Driver for American Power Conversion APC class UPS
apxs - APache eXtenSion tool
archive - Usenet article archiver
aremex - array serivces remote execution monitor
arp - manipulate the system ARP cache
arping - Ping <address> on device <interface> by ARP pack­ ets, using source address <source>
arpsnmp - keep track of ethernet/ip address pairings
arpwatch - keep track of ethernet/ip address pairings
arrayconfig - configure a simple array
arrayd - array services daemon
atd - run jobs queued for later execution
atrun - run jobs queued for later execution
authconfig - an interface for configuring system authenti­ cation resources
autofs - Control Script for automounter
automount2amd - converts old Sun automount maps to Amd maps
automount - configure mount points for autofs
avmcapictrl - Add, reset or remove active AVM cards and load firmware

B

badblocks - search a device for bad blocks
batcher - article batching backend for InterNetNews
bdflush - kernel daemon to flush dirty buffers back to disk
bgpd - a BGPv4, BGPv4+, BGPv4- routing engine for use with Zebra
blockdev - call block device ioctls from the command line
buffchan - buffered file-writing backend for InterNetNews

C

callback - call a user back, presenting a login prompt
capiinfo - Show supported features of all installed CAPI2.0 controllers
capiplugin - Plugin for pppd (Point-to-Point Protocol dae­ mon)
chat - Automated conversational script with a modem
checkpc - check out the /etc/printcap database
chkconfig - updates and queries runlevel information for system services
chkfontpath - simple interface for adding, removing, and listing directories in the X font server's path
chpasswd - update password file in batch
ckraid - obsolete
cleanfeed - spam filter for Usenet news servers
clockdiff - Measures clock difference between us and <des­ tination> with 1msec resolution. Without -o option it uses icmp timestamps, with -o it uses icmp echo with timestamp IP option
cnfsheadconf - set CNFS header
cnfsstat - show usage of cycbuffs
conflict - search for alias/password conflicts
consolechars - load EGA/VGA console screen font, screen- font map, and/or application-charset map
consolehelper - A wrapper that helps console users run system programs
controlchan - channel-fed control message handler
convertquota - convert quota from old file format to new one
cron - daemon to execute scheduled commands (Vixie Cron)
csa - overview of Comprehensive System Accounting (CSA)
csaaddc - combines ccaacccctt records
csabuild - organizes accounting records into job records
csachargefee - charges a fee to a user
csackpacct - checks the size of the process accounting file
csacms - summarizes command usage from per-process accounting records
csacon - condenses records from the sorted pacct file
csacrep - reports on consolidated accounting data
csadrep - reports daemon usage
csaedit - displays and edits the accounting information
csagetconfig - searches the accounting configuration file for the specified argument
csajrep - prints a job report from the sorted pacct file
csaperiod - runs periodic accounting
csarecy - recycles unfinished job records into next accounting run
csarun - processes the daily accounting files and gener­ ates reports
csaswitch - checks the status of, enables or disables the different types of Comprehensive System Accounting (CSA), and switches accounting files for maintainability
csaverify - verifies that the accounting records are valid
ctlinnd - control the InterNetNews daemon
ctrlaltdel - set the function of the Ctrl-Alt-Del combina­ tion
cvsbug - send problem report (PR) about CVS to a central support site
cvtbatch - convert Usenet batch file to INN format

D

dateconfig - graphical interface for changing system date and time
dbprocs - Start or stop ovdb housekeeping processes
debugfs - ext2 file system debugger
debugreiserfs debugreiserfs
depmod - handle dependency descriptions for loadable ker­ nel modules
devfsd - optional daemon for managing devfs (the Linux Device Filesystem)
dhcpcd - DHCP client daemon
dhcpd - Dynamic Host Configuration Protocol Server
dhcrelay - Dynamic Host Configuration Protocol Relay Agent
dip - handle dialup IP connections
divertctrl - set/query ISDN diversion services for (E)DSS1 protocol
dmesg - print or control the kernel ring buffer
dnssec-keygen dnssec-keygen -a algorithm -b keysize [-c class] [-e] [-g generator] [-h] -n nametype [-p protocol-value] [-r randomdev] [-s strength-value] [-t type] [-v level] name
dnssec-makekeyset dnssec-makekeyset [-h] [-s start-time] [-e end-time] [-t TTL] [-r randomdev] [-p] [-v level] keyfile
dnssec-signkey dnssec-signkey [-h] [-s start-time] [-e end-time] [-c class] [-p] [-r randomdev] [-v level] keyset keyfile
dnssec-signzone dnssec-signzone [-a] [-c class] [-d directory] [-s start-time] [-e end-time] [-i interval] [-o origin] [-f output-file] [-p] [-r randomdev] [-t] [-v level] [-n nthreads] zonefile [keyfile ....]
dodisk - performs disk accounting
dosfsck - check and repair MS-DOS file systems
dp - parse dates 822-style
ds - User Mode SCSI driver for devices accessed using the SGI linux-xscsi subsystem
dslib - communicate with SCSI devices accessed using the linux-xscsi subsystem
dump dump [-0123456789ackMnSu] [-B records] [-b blocksize] [-d density] [-e inode number] [-f file] [-F script] [-h level] [-L label] [-Q file] [-s feet] [-T date] [-z compression level] files-to-dump dump [-W | -w]
dumpe2fs - dump filesystem information

E

e2fsck - check a Linux second extended file system
e2label - Change the label on an ext2 filesystem
edquota - edit user quotas
elvtune - I/O elevator tuner
ethtool - Display or change ethernet card settings
expire - Usenet article and history expiration program
expireover - Expire entries from the news overview database
expirerm - remove articles that have been expired
exportfs - maintain list of NFS exported file systems

F

faillog - examine faillog and set login failure limits
fax500 - X.500 capable mailer fax500 - X.500 capable fax delivery agent
faxrunqd - daemon to send fax jobs queued by faxspool(1)
fbset - show and modify frame buffer device settings
fdformat - Low-level formats a floppy disk
fdisk - Partition table manipulator for Linux
filechan - file-writing backend for InterNetNews
fixmount - fix remote mount entries
fmtdump - decode nmh format files
fsck - check and repair a Linux file system
fsck.minix - a file system consistency checker for Linux
fsck.xfs - do nothing, successfully
fsinfo - co-ordinate site-wide filesystem information
ftpd - Internet File Transfer Protocol server
ftprestart - restart previously shutdown ftp servers
ftpshut - close down the ftp servers at a given time

G

genksyms - generate symbol version information
genromfs - create a romfs image
getkeycodes - print kernel scancode-to-keycode mapping table
go500 - Local Gopher index search to X.500 search gateway
go500gw - General Gopher to X.500 gateway for browsing and searching
gpm - a cut and paste utility and mouse server for virtual consoles
groupadd - Create a new group
groupdel - Delete a group
groupmod - Modify a group
grpck - verify integrity of group files
grpconv - convert to and from shadow passwords and groups
grpunconv - convert to and from shadow passwords and groups

H

halt - stop the system
hdparm - get/set hard disk parameters
hisaxctrl - configure HiSax-Module
hlfsd - home-link file system daemon
hotplug - Linux hotplugging support scripts
httpd - Apache hypertext transfer protocol server
hwclock - query and set the hardware clock (RTC)

I

icnctrl - configure ICN ISDN adaptor
identd - TCP/IP IDENT protocol server
ifconfig - configure a network interface
imapd - Internet Message Access Protocol server
imon - watch ISDN activities
imontty - display status of all ISDN lines
in.comsat comsat
in.fingerd fingerd [-wulf] [-pL path] [-t timeout]
init - process control initialization
inncheck - check inn configuration and database files
innd - InterNetNews daemon
inndf - Replacement for 'df | awk' in innwatch.ctl
inndstart - Start innd
innreport - summarize INN log files
innstat - print snapshot of INN system
in.ntalkd talkd [-dp]
innwatch - monitor innd
innxbatch - send xbatched Usenet articles to a remote NNTP server
innxmit - send Usenet articles to a remote NNTP server
in.rexecd rexecd
in.rlogind rlogind [-ahlLn]
in.rshd rshd [-ahlnL]
insmod - install loadable kernel module
install-catalog - Manage a SGML or XML centralized catalog
install-mh - initialize the nmh environment
in.telnetd /usr/sbin/in.telnetd [-hns] [-a authmode] [-D debugmode] [-L loginprg] [-S tos] [-X authtype] [-edebug] [-debug port]
in.tftpd in.tftpd [-c] [-l] [-u userid] [-r option...] [-s] [directory]
intro - Introduction to administration and privileged com­ mands
in.xfingerd - Finger to LDAP/X.500 gateway daemon
ip6tables - IPv6 packet filter administration
ipchains - IP firewall administration
ipchains-restore - restore IP firewall chains from stdin
ipchains-save - save IP firewall chains to stdout
ipcrm - provide information on ipc facilities
ipcs - provide information on ipc facilities
ipfwadm-wrapper - IP firewall administration
ipopd - Post Office Protocol server
ipppd - (ISDN) Point to Point Protocol daemon
ipppstats - print PPP statistics
iprofd - Modem-register daemon
iptables - IP packet filter administration
iptables-restore - Restore IP Tables
iptables-save - Save IP Tables
iptraf - Interactive Colorful IP LAN Monitor
ipx_cmd - bridge between Novell's SCMD driver and local IPX network
ipx_configure - query/configure IPX behavior
ipx_interface - add, delete, or display an IPX interface
ipx_internal_net - add or delete the IPX internal network
ipx_route - add or delete IPX route
iscsid - establish and maintain iSCSI connections
isdnctrl - get/set ISDN device information
isdnlog - isdn log system (and more)
isoinfo - Utility programs for dumping and verifying iso9660 images
iwconfig - configure a wireless network interface
iwlist - Get wireless statistics from specific nodes
iwpriv - configure optionals (private) parameters of a wireless network interface
iwspy - Get wireless statistics from specific nodes

J

jdetach - Detach a group of processes from a job
jsethid - enable unique job ID (jid) values
junkbuster - The Internet Junkbuster Proxy (TM)

K

kallsyms - Extract all kernel symbols for debugging
kbd-compat - kbd-compatibility wrapper scripts for Linux Console Tools
kbdconfig - simple interface for configuring system key­ board
kbdrate - reset the keyboard repeat rate and delay time
killall5 -- send a signal to all processes
klogd - Kernel Log Daemon
ksconfig - graphical interface for creating kickstart files
ksymoops - a utility to decode Linux kernel Oops
ksyms - display exported kernel symbols
kudzu - detects and configures new and/or changed hardware on a system

L

lastlog - examine lastlog file
lastlogin - records last date on which each user logged in
ldbmcat - LDBM to LDIF database format conversion utility
ldconfig - configure dynamic linker run-time bindings
ld.so - dynamic linker/loader
lockd - start kernel lockd process
logresolve - resolve hostnames for IP-adresses in Apache logfiles
logrotate - rotates, compresses, and mails system logs
logwatch - system log analyzer and reporter
loopctrl - configure isdnloop ISDN driver
losetup - set up and control loop devices
lpc - line printer control program
lpd - line printer daemon
lsdev - display information about installed hardware
lslk - list local locks
lsmod - list loaded modules
lsof - list open files
lspci - list all PCI devices
lwresd lwresd [-C config-file] [-d debuglevel] [-f -g -s] [-i pid-file] [-n #cpus] [-P listen-port#] [-p port#] [-t directory] [-u user-id] [-v]

M

mail500 - X.500 capable mailer fax500 - X.500 capable fax delivery agent
mailpost - feed an email message into a news group
mailstats - display mail statistics
makedbm - create or dump a ypserv database file
makedbz - rebuild dbz files
MAKEDEV - create devices
makehistory - Initialize or rebuild INN history database
makemap - create database maps for sendmail
mcserv - Midnight Commander file server
mgetty - smart modem getty
mh-mts - the nmh interface to the message transport system
mii-tool - view, manipulate media-independent interface status
mingetty - minimal getty for consoles
mk-amd-map - create database maps for Amd
mkdosfs - create an MS-DOS file system under Linux
mke2fs - create a Linux second extended file system
mkfs - build a Linux file system
mkfs.bfs - make an SCO bfs filesystem
mkfs.minix - make a Linux MINIX filesystem
mkfs.xfs - construct an XFS filesystem
mkinitrd - creates initial ramdisk images for preloading modules
mkisofs - create an hybrid ISO9660/JOLIET/HFS filesystem with optional Rock Ridge attributes
mkkickstart - create a description file from the current machine
mklost+found - create a lost+found directory on a mounted Linux second extended file system
mknetid - generate data for netid map
mkraid - initializes/upgrades RAID device arrays
mkreiserfs - create a Linux Reiserfs file system
mkswap - set up a Linux swap area
mod-active - batch processing of ctlinnd new­ group/rmgroup/changegroup
modinfo - display information about a kernel module
modprobe - high level handling of loadable modules
module_upgrade - changes obsolete modules.conf entries to current ones
mount - mount a file system
mountd - NFS mount daemon
mouseconfig - configure mouse for use under Linux
mtr - a network diagnostic tool

N

named named [-c config-file] [-d debuglevel] [-f -g -s] [-n #cpus] [-p port#] [-t directory] [-u user-id] [-v] [-x cache-file]
nameif - name network interfaces based on MAC addresses
nash - script interpretor to interpret linuxrc images
ncpmount - mount volume(s) from a specified NetWare fileserver
ncpumount - unmount a NetWare filesystem mounted with ncp­ mount
netstat - Print network connections, routing tables, interface statistics, masquerade connections, and multi­ cast memberships
news2mail - a channel script to gateway news into email
news.daily - do regular Usenet system administration
newsrequeue - tool to rewrite batchfiles
newusers - update and create new users in batch
nfsd - NFS server process
nfsstat - print NFS statistics
nhfsgraph - Run nhfsstone over multiple loads
nhfsnums - Convert nhfsrun output to plot(5)
nhfsrun - Run nhfsstone over multiple loads
nhfsstone - Network File System benchmark program
nmbd - NetBIOS name server to provide NetBIOS over IP naming services to clients
nnrpd - NNTP server for on-campus hosts
nntpsend - send Usenet articles to remote site
nologin nologin
nscd - name service cache daemon
nslookup nslookup [-option ...] [host-to-find | -[server]]
nsupdate nsupdate [-d] [-y keyname:secret | -k keyfile] [-v] [filename]
ntsysv - simple interface for configuring runlevels
nulladm - creates file with mode 664 and owner and group are aaddmm
nwbocreate - Create a NetWare Bindery Object
nwborm - Remove a NetWare Bindery Object
nwbpadd - Set the value of a NetWare Bindery Property
nwbpcreate - Create a NetWare Bindery Propery
nwbprm - Remove a NetWare Bindery Propery
nwfsctrl - Perform server command
nwgrant - Add Trustee Rights to a directory
nwmsg - Deliver NetWare user broadcast messages
nwrevoke - Revoke a Trustee Right from a directory

O

ospf6d - an OSPF routing engine for use with Zebra and IPv6
ospfd - an OSPF v2 routing engine for use with Zebra
ovdb_recover - Perform recovery on the ovdb database, if needed
ovdb_upgrade - Perform any needed upgrades on the ovdb database
overchan - update the news overview database

P

pam - Pluggable Authentication Modules for Linux
pam.conf - Pluggable Authentication Modules for Linux
pam_console - control permissions for users at the system console
pam_console_apply - set or revoke permissions for users at the system console
pam_krb5 - Kerberos 5 authentication
pam_krb5afs - Kerberos 5 authentication with AFS support
pam_localuser - require users to be listed in /etc/passwd
pam_stack - recurse into other PAM stacks
pam_xauth - forward xauth keys between users
parted - a partition manipulation program
pcbitctl - PCBIT-D firmware loader
pgpverify - cryptographically verify Usenet control mes­ sages
pidof -- find the process ID of a running program
ping ping [-LRUbdfnqrvV] [-c count] [-i interval] [-l preload] [-p pattern] [-s packetsize] [-t ttl] [-w deadline] [-I interface address] [-T timestamp option] [-Q tos] [-M hint] host
pivot_root - change the root file system
plipconfig - fine tune PLIP device parameters
pmap_dump - print a list of all registered RPC programs
pmap_set - set the list of registered RPC programs
portmap portmap [-d] [-v]
post - deliver a message
powercom - UPS model driver for powercom kind of interface
poweroff - stop the system
pppd - Point to Point Protocol daemon
pppdump - convert PPP record file to readable format
pppoe - user-space PPPoE client
pppoe-relay - user-space PPPoE relay agent
pppoe-server - user-space PPPoE server
pppoe-sniff - examine network for non-standard PPPoE frames
pppstats - print PPP statistics
ppp-watch - daemon to make PPP interfaces act more like other interfaces
praliases - display system mail aliases
privatepw - Change WU-FTPD Group Access File Information
procinfo - display system status gathered from /proc
prunehistory - remove file names from Usenet history file
pullnews - a perl script for pulling news from one news machine and feeding it to another
pump - configure network interface via BOOTP or DHCP pro­ tocol
pwck - verify integrity of password files
pwconv - convert to and from shadow passwords and groups
pwunconv - convert to and from shadow passwords and groups
pwupdate - updates passwd and shadow NIS map

Q

qpagg - Query for registered PAGG modules
quotacheck - scan a filesystem for disk usage, create, check and repair quota files
quotaon - turn filesystem quotas on and off

R

radvd - router advertisement daemon for IPv6
radvdump - dump router advertisements
raid0run - starts up old (superblock-less) RAID0/LINEAR arrays
raidadd - obsolete RAID command
raidrun - obsolete RAID command
raidstart - command set to manage md devices
raidstop - command set to manage md devices
rarpd - Reverse Address Resolution Protocol (RARP) daemon
raw - bind a Linux raw character device
rcpt500 - mail to X.500 gateway program
rdisc - network router discovery daemon
reboot - stop the system
reiserfsck - check a Linux Reiserfs file system
renice renice priority [[-p] pid ...] [[-g] pgrp ...] [[-u] user ...]
repquota - summarize quotas for a filesystem
resize2fs - ext2 file system resizer
resize_reiserfs - Reiserfs filesystem resizer
restore restore -C [-ckMvy] [-b blocksize] [-D filesystem] [-f file] [-s fileno] [-T directory] restore -i [-chkmMNuvy] [-b blocksize] [-f file] [-Q file] [-s fileno] [-T directory] restore -R [-ckMNuvy] [-b blocksize] [-f file] [-s fileno] [-T directory]
revnetgroup - generate reverse netgroup data
rhn_check - check for queued actions on RHN and execute them
rhn_register - a program for registering with the Red Hat Network
rhnsd - a program for quering the Red Hat Network for updates and information
ripd - a RIP routing engine for use with Zebra
ripngd - a RIP routing engine for use with Zebra and IPv6
rmail - handle remote mail received via uucp
rmmod - unload loadable modules
rmt rmt
rndc rndc [-c config-file] [-M] [-m] [-p port#] [-s server] [-v] [-y key_id] command
rotatelogs - rotate Apache logs without having to kill the server
route - show / manipulate the IP routing table
routed routed [-d] [-g] [-q] [-s] [-t] [logfile]
rpc.bootparamd rpc.bootparamd [-d] [-s] [-r router] [-f file]
rpcinfo rpcinfo -p [host] rpcinfo [-n portnum] -u host program [version] rpcinfo [-n portnum] -t host program [version] rpcinfo -b program version rpcinfo -d program version
rpc.rstatd rpc.rstatd
rpc.rusersd /usr/sbin/rpc.rusersd
rpc.rwalld /usr/sbin/rpc.rwalld
rpc.yppasswdd - NIS password update daemon
rpc.ypxfrd - NIS map transfer server
rpm2cpio - Extract cpio archive from RPM Package Manager (RPM) package
rpm - RPM Package Manager
rpmbuild - Build RPM Package(s)
rquotad - remote quota server
runlevel -- find the current and previous system runlevel
runon - run a command on a specified list of cpus
rvnamed - reverse name resolution daemon for iptraf(8)
rwhod rwhod [-bpa] [-u user]

S

sa1 - Collect and store binary data in the system activity daily data file
sa2 - Write a daily report in the /var/log/sa directory
sa - summarizes accounting information
sadc - System activity data collector
sash - stand-alone shell with built-in commands
sasldblistusers - list users in sasldb
saslpasswd - set a user's sasl password
scanlogs - summarize INN log files
scrollkeeper-config - print ScrollKeeper configuration information
scrollkeeper-preinstall - generate on OMF file, based on an existing OMF file, which has the correct URL for a doc­ ument
scrollkeeper-rebuilddb - rebuild the scrollkeeper document catalog database
scrollkeeper-update - identify new, modified, or removed OMF files and update the scrollkeeper databases
sendfax - send group 3 fax files (G3 files) with a class 2 faxmodem
sendmail - an electronic mail transport agent
send-uucp - send Usenet articles to remote site
serviceconf - Service Configuration Utility
sesdaemon - Fibre Channel Drive Enclosure Status/Configu­ ration daemon
sesmgr - Fibre Channel Drive Enclosure Status/Configura­ tion Command Line Interface
setclock - sets the hardware clock from the system clock
setfdprm - sets user-provided floppy disk parameters
setkeycodes - load kernel scancode-to-keycode mapping table entries
setpci - configure PCI devices
setquota - set disk quotas
setserial - get/set Linux serial port information
setsid - run a program in a new session
sfdisk - Partition table manipulator for Linux
sftp-server sftp-server
showmount - show mount information for an NFS server
shutdown - bring the system down
slapadd - Add entries to a SLAPD database
slapcat - SLAPD database to LDIF utility
slapd - Stand-alone LDAP Daemon
slapindex - SLAPD index to LDIF utility
slappasswd - OpenLDAP password utility
slattach - attach a network interface to a serial line
sliplogin sliplogin [loginname]
sln - static ln
slurpd - Standalone LDAP Update Replication Daemon
sm - command line interface to the storage manager
smbd - server to provide SMB/CIFS services to clients
smbmnt - helper utility for mounting SMB filesystems
smbmount - mount an smbfs filesystem
smbpasswd - change a user's SMB password
smbspool - send print file to an SMB printer
smbumount - smbfs umount for normal users
smrsh - restricted shell for sendmail
sndconfig - configure sound card for use with Linux kernel modules
snmptrapd - Receive and log snmp trap messages
socklist - display list of open sockets
sshd sshd [-deiqD46] [-b bits] [-f config_file] [-g login_grace_time] [-h host_key_file] [-k key_gen_time] [-p port] [-u len] [-V client_protocol_id]
statd - NSM status monitor
stinit - initialize SCSI magnetic tape drives
stunnel - universal SSL tunnel
sudo - execute a command as another user
suexec - Switch User For Exec
sulogin -- Single-user login
swapoff - enable/disable devices and files for paging and swapping
swapon - enable/disable devices and files for paging and swapping
swat - Samba Web Administration Tool
symlinks - symbolic link maintenance utility
sync - synchronize data on disk with memory
sysctl - configure kernel parameters at runtime
sysklogd - Linux system logging utilities
syslogd - Linux system logging utilities
sys-unconfig - shell script to reconfigure the system upon next boot

T

tally.control - keep track of newgroup creation and dele­ tions
taper 5. Unpacking and Compiling 5.1 File locations
tcpd - access control facility for internet services
tcpdump - dump traffic on a network
tcpslice - extract pieces of and/or glue together tcpdump files
telinit - process control initialization
timeconfig - simple interface for configuring system time parameters
tmpwatch - removes files which haven't been accessed for a period of time
tracepath - traces path to <destination> discovering MTU along this path
traceroute - print the route packets take to network host
tune2fs - adjust tunable filesystem parameters on second extended filesystems
tunelp - set various parameters for the lp device
tzselect - select a time zone

U

umount - unmount file systems
up2date - a program for updating packages on Red Hat Linux
updfstab - update /etc/fstab to reflect removable devices
useradd - Create a new user or update default new user information
userdel - Delete a user account and related files
userhelper - A helper interface to pam
usermod - Modify a user account
usernetctl - allow a user to manipulate a network inter­ face if permitted

V

vboxd - isdn voice box daemon
vboxgetty - isdn voice box (getty)
vboxmail - script to send notification of new voice mes­ sage
vboxputty - a self-dialing/-calling vboxgetty
vigr vipw [-V] [--version] vigr [-V] [--version]
vipw vipw [-V] [--version] vigr [-V] [--version]
visudo - edit the sudoers file
vmstat - Report virtual memory statistics

W

warnquota - send mail to users over quota
wire-test - test your network interfaces and local IP address
writelog - add a entry to an INN log file

X

xfs_admin - change parameters of an XFS filesystem
xfs_bmap - print block mapping for an XFS file
xfs_check - check XFS filesystem consistency
xfs_db - debug an XFS filesystem
xfsdq - XFS dump and restore quota
xfsdump - XFS filesystem incremental dump utility
xfs_estimate - estimate the space that an XFS filesystem will take
xfs_freeze - suspend access to an XFS filesystem
xfs_fsr - filesystem reorganizer for XFS
xfs_growfs - expand an XFS filesystem
xfsinvutil - xfsdump inventory database checking and prun­ ing utility
xfs_logprint - print the log of an XFS filesystem
xfs_mkfile - create an XFS file
xfs_ncheck - generate pathnames from i-numbers for XFS
xfs_repair - repair an XFS filesystem
xfsrestore - XFS filesystem incremental restore utility
xfs_rtcp - XFS realtime copy command
xinetd - the extended Internet services daemon
xinetd.log - xinetd service log format
xscsiadminswap - perform a live plug or unplug of a scsi device accessed using the linux-xscsi subsystem
xscsicontrol - probe and control scsi devices accessed using the SGI linux-xscsi subsystem
xscsidisktest - finds and reallocates bad blocks on SCSI and Fibre Channel Disks accessed using the SGI linux-xscsi subsystem
xscsiformat - low level format of SCSI, Fibre Channel devices accessed using the SGI linux-xscsi subsystem
xscsiha - probe and control scsi buses accessed using the SGI linux-xscsi subsystem
xscsimode - display and edit Mode Pages for SCSI, Fibre Channel devices accessed using the SGI linux-xscsi subsys­ tem
xscsiqueue - check and set queue parameters for disks with SGI/Irix volume headers
xscsiquiesce - stop all SCSI bus activity for a specific amount of time

Y

ypbind - NIS binding process
ypinit - NIS database install and build program
yppasswdd - NIS password update daemon
yppoll - return version and master server of a NIS map
yppush - force propagation of changed NIS databases
ypserv - NIS server
ypset - bind ypbind to a particular NIS server
ypxfr - transfer NIS database from remote server to local host
ypxfrd - NIS map transfer server

Z

zdump - time zone dumper
zebra - a routing manager for use with associated compo­ nents
zic - time zone compiler