Commands

Below is a pretty thorough list of BASH commands

alias- Create an alias
awk- Find and Replace text within file(s)
break- Exit from a loop
builtin- Run a shell builtin
cal- Display a calendar
case- Conditionally perform a command
cat- Display the contents of a file
cd- Change Directory
chgrp- Change group ownership
chmod- Change access permissions
chown- Change file owner and group
chroot- Run a command with a different root directory
cksum- Print CRC checksum and byte counts
clear- Clear terminal screen
cmp- Compare two files
comm- Compare two sorted files line by line
command- Run a command - ignoring shell functions
continue- Resume the next iteration of a loop
cp- Copy one or more files to another location
cron- Daemon to execute scheduled commands
crontab- Schedule a command to run at a later time
csplit- Split a file into context-determined pieces
cut- Divide a file into several parts
date- Display or change the date & time
dc- Desk Calculator
dd- Data Dump - Convert and copy a file
declare- Declare variables and give them attributes
df- Report filesystem disk space usage
diff- Display the differences between two files
diff3- Show differences among three files
dir- Briefly list directory contents
dirname- Convert a full pathname to just a path
dirs- Display list of remembered directories
du- Estimate file space usage
echo- Display message on screen
ed- A line-oriented text editor (edlin)
egrep- Search file(s) for lines that match an extended expression
eject- Eject CD-ROM
enable- Enable and disable builtin shell commands
env- Display, set, or remove environment variables
eval- Evaluate several commands/arguments
exec- Execute a command
expand- Convert tabs to spaces
export- Set an environment variable
expr- Evaluate expressions
factor- Print prime factors
fdformat- Low-level format a floppy disk
fdisk- Partition table manipulator for Linux
fgrep- Search file(s) for lines that match a fixed string
find- Search for files that meet a desired criteria
fmt- Reformat paragraph text
fold- Wrap input lines to fit in specified width
for- Expand words and execute commands
format- Format disks or tapes
free- Display memory usage
gawk- Find and Replace text within file(s)
getopts- Parse positional parameters
grep- Search file(s) for lines that match a given pattern
groups- Print group names a user is in
gzip- Compress or decompress named file(s)
hash- Remember the full pathname of a name argument
head- Output the first part of file(s)
history- Command Line history
hostname- Print or set system name
id- Print user and group id's
if- CConditionally perform a command
import- Capture an X server screen and save the image to file
info- Help info
install- Copy files and set attributes
join- Join lines on a common field
kill- Kill a process
less- Display output one screen at a time
let- Perform arithmetic on shell variables
ln- Make links between files
local- Create variables
logname- Print current login name
logout- Exit a login shell
lpc- Line printer control program
lpr- Off line print
lprint- Print a file
lprintd- Abort a print job
lprintq- List the print queue
lprm- Remove jobs from the print queue
ls- List information about file(s)
m4- Macro processor
man- Help manual
mkdir- Create new folder(s)
mkfifo- Make FIFOs (named pipes)
mknod- Make block or character special files
more- Display output one screen at a time
mount- Mount a file system
mtools- Manipulate MS-DOS files
mv- Move or rename files or directories
nice- Change job scheduling priority
nl- Number lines and write files
nohup- Run a command immune to hangups
passwd- Modify a user password
paste- Merge lines of files
pathchk- Check file name portability
popd- Restore the previous value of the current directory
pr- Convert text files for printing
printcap- printer capability database
printenv- Print environment variables
printf- Format and print data
pushd- Save and then change the current directory
pwd- Print Working Directory
quota- Display disk usage and limits
quotacheck- Scan a file system for disk usage
quotactl- Set disk quotas
ram- ram disk device
readonly- Mark variables/functions as readonly
remsync- Synchronize remote files
return- Exit a shell function
rm- Remove files
rmdir- Remove folder(s)
screen- Terminal window manager
sdiff- Merge two files interactively
sed- Stream Editor
select- Accept keyboard input
seq- Print numeric sequences
set- Manipulate shell variables and functions
shift- Shift positional parameters
shopt- Shell Options
sleep- Delay for a specified time
sort- Sort text files
source- Run commands from a file
split- Split a file into fixed-size pieces
su- Run a command with substitute user and group id
sum- Print a checksum for a file
symlink- Make a new name for a file
sync- Synchronize data on disk with memory
tac- Concatenate and write files in reverse
tail- Output the last part of files
tar- Tape ARchiver
tee- Redirect output to multiple files
test- Evaluate a conditional expression
time- Measure Program Resource Use
times- User and system times
touch- Change file timestamps
tr- Translate, squeeze, and/or delete characters
trap- Run a command when a signal is set(bourne)
tsort- Topological sort
tty- Print filename of terminal on stdin
type- Describe a command
ulimit- Limit user resources
umask- Users file creation mask
umount- Unmount a device
unalias- Remove an alias
uname- Print system information
unexpand- Convert spaces to tabs
uniq- Uniquify files
units- Convert units from one scale to another
unset- Remove variable or function names
unshar- Unpack shell archive scripts
until- Execute commands (until error)
users- Print login names of users currently logged in
uudecode- Decode a binary file
uuencode- Encode a binary file
v- Verbosely list directory contents (`ls -l -b')
vdir- Verbosely list directory contents (`ls -l -b')
watch- Execute/display a program periodically
wc- Print byte, word, and line counts
which- Show full path of commands
while- Execute commands
who- Print all usernames currently logged in
whoami- Print the current user id and name (`id -un')
yes- Print a string until interrupted

Back to Menu