Newcastle University

alias

create a command alias

bg

place a foreground process in the background

cat

display a file

cd

change directory

chmod

change file permissions

compress

compress a file

cp

copy files or directories

diff

compare files or directories

env

displays the values of environment variables

fg

bring a background job to the foreground

file

get information about a file

find

find a file

ftp

transfer files

grep

search the contents of a file

head

display the beginning of a file

history

display the command history

jobs

lists background jobs

ln

link files or directories

ls

list the files in a directory

mailname

look up email addresses

man

view the online manual

mkdir

create a directory

more

display a file

mpage

print multiple pages per sheet

mv

move (rename) a file

nquota

display current disk space usage

passwd

change password

printenv

displays the values of environment variables

ps

display process information

pwd

print working directory

rm

delete a file or directory

rmdir

delete a directory

scp

copy files between hosts

script

record a terminal session to a file

sdiff

contrast two files

set

sets and displays the values of shell variables

sftp

copy files between hosts

setenv

set environment variables

sort

sort the content of a file

ssh

log in to remote hosts

tail

display the end of a file

umask

set default file permissions

unalias

removes a command alias definition from the current invocation of the shell

unset

unsets the value of a shell variable

unsetenv

unsets the value of an environment variable

whatis

check the description of a command

which

locate a command

xv

interactive image display and conversion