unix command

LIST OF COMMON COMMANDS

Name

Manual Page

Description

alias csh(1) Create an alias for a command sequence, see csh(1)
apropos apropos(1) locate commands by keyword lookup
banner banner(1V) display a string in large letters
bc bc(1) arbitrary-precision arithmetic language
bg csh(1) Run a suspended job in the background, see csh(1)
cal cal(1) display a calendar
cancel lp(1) send/cancel requests to a printer
cat cat(1V) concatenate and display
cc cc(1V) C compiler
cd cd(1) change working directory
chgrp chgrp(1) change the group ownership of a file
chmod chmod(1V) change the permissions mode of a file
chsh passwd(1) change local or NIS password information
clear clear(1) clear the terminal screen
compress compress(1) compress or expand files
cp cp(1) copy files
crontab crontab(1) install, edit, remove or list a user’s crontab file
csh csh(1) shell with a C-like syntax and advanced interactive features
date date(1V) display or set the date
dbx dbx(1) source-level debugger
df df(1V) report free disk space on file systems
diff diff(1) display line-by-line differences between pairs of text files
dircmp dircmp(1V) compare directories
dirs csh(1) Display the directory stack, see csh(1)
dos2unix dos2unix(1) convert text file from DOS format to ISO format
du du(1V) display the number of disk blocks used per directory or file
echo echo(1V) echo arguments to the standard output
egrep grep(1V) search a file for a string or regular expression
eject eject(1) eject media device from drive
exec csh(1) Execute a command in place of the current shell, see csh(1)
exit csh(1) Exit the current shell, see csh(1)
fdformat fdformat(1) format diskettes
fg csh(1) Resume executing a suspended job in the foreground, see csh(1)
fgrep grep(1V) search a file for a string or regular expression
file file(1) determine the type of a file by examining its contents
find find(1) find files by name, or by other characteristics
finger finger(1) display information about users
from from(1) display the sender and date of newly-arrived mail messages
ftp ftp(1C) file transfer program
grep grep(1V) search a file for a string or regular expression
groups groups(1) display a user’s group memberships
head head(1) display first few lines of specified files
history csh(1) Display recently typed commands, see csh(1)
hostid hostid(1) print the numeric identifier of the current host
hostname hostname(1) set or print name of current host system
id id(1V) print the user name and ID, and group name and ID
jobs csh(1) List jobs suspended or backgrounded from this shell, see csh(1)
kill kill(1) send a signal to a process, or terminate a process
last last(1) indicate last logins by user or terminal
limit csh(1) Set or display resource limits, see csh(1)
line line(1) read one line
lint lint(1V) a C program verifier
ln ln(1V) make hard or symbolic links to files
login login(1) log in to the system
logname logname(1) get the name by which you logged in
logout csh(1) Terminate a login shell, see csh(1)
lp lp(1) send/cancel requests to a printer
lpq lpq(1) display the queue of printer jobs
lpr lpr(1) send a job to the printer
lprm lprm(1) remove jobs from the printer queue
lpstat lpstat(1) display the printer status information
ls ls(1V) list the contents of a directory
mach mach(1) display the processor type of the current host
man man(1) display reference manual pages
mesg mesg(1) permit or deny messages on the terminal
mkdir mkdir(1) make a directory
more more(1) browse or page through a text file
mv mv(1) move or rename files
newgrp newgrp(1) log in to a new group
nice nice(1) run a command at low priority
passwd passwd(1) change local or password information
popd csh(1) Pop the directory stack, see csh(1)
printenv printenv(1) display environment variables currently set
ps ps(1) display the status of current processes
pushd csh(1) Push a directory onto the directory stack, see csh(1)
pwd pwd(1) display the pathname of the current working directory
quota quota(1) display a user’s disk quota and usage
rehash csh(1) Rescan the execution path, see csh(1)
reset tset(1) establish or restore terminal characteristics
rlogin rlogin(1C) remote login
rm rm(1) remove (unlink) files or directories
rmdir rm(1) remove (unlink) files or directories
rsh rsh(1C) remote shell
rup rup(1C) show host status of local machines (RPC version)
ruptime ruptime(1C) show host status of local machines
rusers rusers(1C) who’s logged in on local machines (RPC version)
rwall rwall(1C) write to all users over a network
rwho rwho(1C) who’s logged in on local machines
script script(1) make typescript of a terminal session
setenv csh(1) Set or display environment variables, see csh(1)
set csh(1) Set or display shell variables, see csh(1)
sh sh(1) standard UNIX system shell and command-level language
sleep sleep(1) suspend execution for a specified interval
sort sort(1V) sort and collate lines
source csh(1) Read commands from a file, see csh(1)
spell spell(1) report spelling errors
spellin spell(1) report spelling errors
strings strings(1) find printable strings in an object file or binary
strip strip(1) remove symbols and relocation bits from an object file
stty stty(1V) set or alter the options for a terminal
su su(1V) super-user, temporarily switch to a new user ID
suspend csh(1) Suspend the shell, see csh(1)
sync sync(1) update the super block; force changed blocks to the disk
tail tail(1) display the last part of a file
talk talk(1) talk to another user
tar tar(1) create tape archives, and add or extract files
telnet telnet(1C) user interface to a remote system using the TELNET protocol
time time(1V) time a command
touch touch(1V) update the access and modification times of a file
trace trace(1) trace system calls and signals
tset tset(1) establish or restore terminal characteristics
tty tty(1) display the name of the terminal
umask csh(1) Set or display the file permissions mask, see csh(1)
unalias csh(1) Discard an alias, see csh(1)
uncompress compress(1) compress or expand files, display expanded contents
unix2dos unix2dos(1) convert text file from ISO format to DOS format
unlimit csh(1) Remove a limit on a resource, see csh(1)
unset csh(1) Discard a shell variable, see csh(1)
unsetenv csh(1) Discard an envrionment variable, see csh(1)
uptime uptime(1) show how long the system has been up
users users(1) display a compact list of users logged in
uudecode uuencode(1C) encode a binary file, or decode its ASCII representation
uuencode uuencode(1C) encode a binary file, or decode its ASCII representation
vacation vacation(1) reply to mail automatically
w w(1) who is logged in, and what are they doing
wall wall(1) write to all users logged in
wc wc(1) display a count of lines, words and characters
whatis whatis(1) display a one-line summary about a keyword
whereis whereis(1) locate the binary, source, and manual page for a command
which which(1) locate a command; display its pathname or alias
who who(1) who is logged in on the system
whoami whoami(1) display the effective current username
whois whois(1) Internet user name directory service
write write(1) write a message to another user