Commands

   

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Command	Description
accept, reject	Allow/prevent LP printer queuing requests .
arp	Address resolution display and control.
arp	Address Resolution Protocol.
at	Execute commands immediately or at a later time.
banner	Make posters in large letters .
bdf	Report the number of free disk blocks (Berkeley version).
cal	Print calendar.
cat	Concatenate, copy, and print files.
catman	Create the cat files for the manual.
cd	Change the working directory.
chfn	Change the user information used by the finger command. This command updates the /etc/passwd file.
chmod	Change file mode access permissions.
chown, chgrp	Change the file owner or group .
chsh	Change the default login shell for a user. This command updates the /etc/passwd file.
clear	Clear the terminal screen.
cmp	Compare two files.
comm	Select or reject lines common to two sorted files.
compress, uncompress	Compress and expand data. These are standard UNIX commands for file compression and decompression .
cp	Copy files and directories.
cpio	Copy file archives in and out; duplicate directory trees. This command is used for backup and recovery on many UNIX systems.
cron	Timed job execution daemon.
crontab	User job file scheduler.
csh	User shell with C-like syntax.
cut	Cut out (extract) selected fields of each line of a file or stdin. This is often used in shell scripts.
date	Display or set the date and time.
dd	Convert, reblock, translate, and copy a (tape) file. This command dumps raw data on a device (not files).
df	Report the number of free file system disk blocks.
diff	Differential file and directory comparator.
diskinfo	Describe the characteristics of a disk device.
dmesg	Collect system diagnostic messages to or from the error log.
domainname	Set or display the name of the Network Information Service (NIS) domain.
du	Summarize disk usage.
dump, rdump	Incremental file system dump, local or across a network.
echo	Echo (print) arguments.
enable, disable	Enable/disable LP printers.
ex, edit	Extended line oriented text editor.
exportfs	Export and unexport directories to NFS clients .
expr	Evaluate arguments as an expression. Often used in shell scripts.
extendfs	Extend a file system size .
fbackup	Selectively back up files.
file	Determine the file type.
find	Find files.
finger	User information lookup program.
frecover	Selectively recover files.
freedisk	Recover disk space by finding filesets that have not been used for a certain period of time.
fsadm	A file system administration command.
fsck	File system consistency check and interactive repair.
fstyp	Determine the file system type.
ftp	File transfer program. Used to transfer files over a network.
ftpd	File Transfer Protocol server.
fuser	List processes using a file or file structure.
getty	Set terminal type, modes, speed, and line discipline.
grep, egrep, fgrep	Search a file for a pattern.
groupadd	Add a new group to the system.
groupdel	Delete a group from the system.
groupmod	Modify a group on the system.
groups	Show group memberships.
head	Print the first few lines of input.
hostname	Set or display the name of the current host system.
hpux	HP-UX bootstrap.
id	Print the user and group IDs and names .
ifconfig	Configure network interface parameters.
inetd	Internet services daemon.
init	Process control initialization.
insf	Install special (device) files.
ioinit	Test and maintain consistency between the kernel I/O data structures and /etc/ ioconfig
ioscan	Scan the I/O system.
iostat	Report I/O statistics.
isl	Initial system loader.
kill	Send a signal to a process; terminate a process.
killall	Kill all active processes.
ksh, rksh	Shell, the standard/restricted command programming language.
lanadmin	Local area network administration program.
lanscan	Display the LAN device configuration and status.
last, lastb	Indicate the last logins of users and ttys.
lifcp	Copy to or from LIF files.
lifls	List the contents of an LIF directory.
lifrm	Remove an LIF file.
linkloop	Verify LAN connectivity with link level loopback.
ln	Link files and directories.
login	Sign on; start a terminal session.
logname	Get the login name.
lp, lpalt, cancel	Print, alter, or cancel requests on an LP printer or plotter.
lpadmin	Configure the LP spooling system.
lpsched, lpshut, lpmove, lpfence	Start or stop the LP request scheduler, move requests, and define the minimum priority for printing.
lpstat	Report line printer status information.
ls, lc, l, ll, lsf, lsr, lsx	List the contents of directories.
lsacl	List the access control lists (ACLs) of files.
lsdev	List device drivers in the system.
lssf	List a special file.
lvchange	Change LVM logical volume characteristics.
lvcreate	Create a logical volume in the LVM volume group.
lvdisplay	Display information about LVM logical volumes .
lvextend	Increase space or increase mirrors for LVM logical volume.
lvlnboot	Prepare an LVM logical volume to be the root, boot, primary swap, or dump volume.
lvmerge	Merge two LVM logical volumes into one logical volume.
lvreduce	Decrease the space allocation or number of mirror copies of logical volumes.
lvremove	Remove one or more logical volumes from the LVM volume group.
lvrmboot	Remove the LVM logical volume link to the root, primary swap, or dump volume.
mail, rmail	Send mail to users or read mail.
man	Find manual information by keywords; print out a manual entry.
mediainit	Initialize disk or cartridge tape media; partition DDS tape.
mesg	Permit or deny messages to a terminal.
mkboot, rmboot	Install, update, or remove boot programs from a disk.
mkdir	Make a directory.
mkfifo	Make FIFO (named pipe) special files.
mkfs	Construct a file system.
mknod	Create special files.
mksf	Make a special (device) file.
model	Print detailed hardware model information.
more, page	File perusal filter for CRT viewing.
mount , umount	Mount and unmount file systems.
mountall,umountall	Mount and unmount multiple file systems.
mountd	NFS mount request server.
mt	Magnetic tape manipulating program.
mv	Move or rename files and directories.
named	Internet domain name server.
ndd	Network tuning.
netstat	Show the network status.
newfs	Construct a new file system.
newgrp	Switch to a new group.
nfsd, biod	NFS daemons.
nfsstat	Network File System statistics.
nice	Run a command at nondefault priority.
nohup	Run a command immune to hangups.
nslookup	Query name servers interactively.
ntpdate	Set the date and time via NTP.
ntpq	Standard Network Time Protocol query program.
passwd	Change a login password and associated attributes.
pax	Extracts, writes , and lists archive files; copies files and directory hierarchies. Can be used for backup and restore.
pcnfsd	PC-NFS authentication and print request server.
pdc	Processor Dependent Code (firmware).
ping	Send ICMP Echo Request packets to a network host.
ps	Report process status.
pvchange	Change the characteristics and access path of a physical volume in an LVM volume group.
pvck	Check or repair a physical volume in an LVM volume group.
pvcreate	Create a physical volume for use in an LVM volume group.
pvdisplay	Display information about physical volumes within an LVM volume group.
pwck, grpck	Password or group file checkers.
pwd	Working directory name.
rarpd	Reverse Address Resolution Protocol daemon.
rc	General purpose sequencer invoked upon entering a new run level.
rcp	Remote file copy over a network.
read	Read a line from stdin. Often used in shell scripts.
reboot	Reboot the system.
remsh, rexec	Execute from a remote shell.
remshd	Remote shell server.
renice	Alter the priority of running processes.
rlogin	Remote login.
rlogind	Remote login server.
rlpdaemon	Remote spooling line printer daemon; message write daemon.
rm	Remove files or directories.
rmdir	Remove directories.
rmnl	Remove extra new line characters from a file. This is used to get rid of empty lines.
rmsf	Remove a special (device) file.
route	Manually manipulate the routing tables.
rpcbind	Universal addresses to RPC program number mapper.
rpcinfo	Report RPC information.
ruptime	Show the status of local machines on a network.
rusers	Determine who is logged into machines on a local network.
rwho	Show who is logged into local machines.
rwhod	System status server.
sam	System administration manager.
samlog_viewer	A tool for viewing and saving the SAM logfile.
sar	System activity reporter.
sed	Stream text editor.
sh, rsh	Standard and restricted POSIX.2 conformant command shells .
shar	Make a shell archive package.
showmount	Show all remote mounts.
shutdown	Terminate all processing.
sleep	Suspend execution for an interval.
sort	Sort or merge files.
strings	Find the printable strings in an object or other binary file.
stty	Set the options for a terminal port.
su	Switch user.
swacl	View or modify the Access Control Lists (ACLs) which protect software products.
swagentd, swagent	Serve local or remote SD software management tasks .
swapinfo	System paging space information.
swapon	Enable the device or file system for paging.
swconfig	Configure, unconfigure, or reconfigure installed software.
swinstall, swcopy	Install and configure software products; copy software products for subsequent installation or distribution.
swlist	Display information about software products.
swmodify	Modify software products in a target root or depot.
swpackage	Package software products into a target depot or tape.
swreg	Register or unregister depots and roots.
swremove	Unconfigure and remove software products.
swverify	Verify software products.
sysdef	Display the system definition.
syslogd	Log system messages.
tail	Deliver the last part of a file.
talk	Talk to another user over a network.
tar	Tape file archiver. Used for backup and restore.
tee	Pipe fitting.
telnet	User interface to the TELNET protocol.
telnetd	TELNET protocol server.
test	Condition evaluation command. Mostly used in shell scripts.
tftp	Trivial file transfer program.
time	Time a command.
timex	Time a command; report process data and system activity.
top	Display and update information about the top processes on the system.
touch	Update the access, modification, and/or change times of file. Also creates a zero byte size file.
true, false	Return an exit status of zero or one respectively.
tset, reset	Terminal dependent initialization.
tty, pty	Get the name of the terminal.
ttytype	Terminal identification program.
umask	Set or display the file mode creation mask.
uname `	Display information about a computer system; set a node name (system name).
uniq	Report repeated lines in a file.
uptime, w	Show how long a system has been up, and/or who is logged in and what they are doing.
useradd	Add a new user login to the system.
userdel	Delete a user login from the system.
usermod	Modify a user login on the system.
users	Compact list of users who are on the system.
vgcfgbackup	Create or update LVM volume group configuration backup files.
vgcfgrestore	Display or restore the LVM volume group configuration from a backup file.
vgchange	Set the LVM volume group availability.
vgcreate	Create an LVM volume group.
vgdisplay	Display information about LVM volume groups.
vgexport	Export an LVM volume group and its associated logical volumes.
vgextend	Extend an LVM volume group by adding physical volumes.
vgimport	Import an LVM volume group onto the system.
vgreduce	Remove physical volumes from an LVM volume group.
vgremove	Remove the LVM volume group definition from the system.
vgscan	Scan physical volumes for LVM volume groups.
vi, view, vedit	Screen oriented (visual) text editor.
vipw	Edit the password file.
vmstat	Report virtual memory statistics.
wait	Await process completion.
wall	Write a message to all users.
wc	Count words, lines, bytes, or characters in a file.
whereis	Locate the source, binary, and/or manual for program.
which	Locate a program file including aliases and paths.
whoami	Print the effective current user ID.
whodo	List which users are doing what.
xntpd	Network Time Protocol daemon.
ypcat	Print all values in the Network Information Service map.
ypinit	Build and install Network Information Service databases.
ypmake	Create or rebuild Network Information Service databases.
ypmatch	Print the values of selected keys in the Network Information Service map.
yppasswd	Change a login password in the Network Information System (NIS).
yppasswdd	Daemon for modifying the Network Information Service password database.
yppoll	Query the NIS server for information about the NIS map.
yppush	Force the propagation of the Network Information Service database.
ypserv , ypbind, ypxfrd	Network Information Service (NIS) server, binder, and transfer processes.
ypset	Bind to a particular Network Information Service server.
ypupdated, rpc.ypupdated	Server for changing NIS information.
ypwhich	List which host is the Network Information System server or map master.
ypxfr	Transfer an NIS database from the server to local node.

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