Common Unix Commands

Common Unix Commands
A list basic and common Unix and Linux Commnands at your fingertips

Unix power, for most users, resides in the rich set of commands and tools available and the users can combine them in whatever way they are comfortable with just like pieces the puzzles togehter.

Whether you are a Unix/Linux novice or an expert, it may be difficult to remember all the possible useful commands. Commands like find and grep are super powerful, but their usage can be very complex and hard to remember.

We compiled a List of Basic Unix Commands so you can access to them with just a few clicks. We also accomapnied the command manpages of the Common Unix Commands with our Complimentary Examples to help you understand the command's usage and syntax better.

Here are some additional references:

List of Commands

alias define or display aliases
at queue, examine or delete jobs for later execution
awk pattern scanning and processing language
bash GNU Bourne-Again SHell
bg run jobs in the background
busybox The Swiss Army Knife of Embedded Linux
cat concatenate and print files
cd change the working directory
chattr change file attributes on a Linux file system
chgrp change group ownership
chmod change the file modes
chown change file owner and group
cmp compare two files
compress compress and expand data
cp copy files
curl transfer a URL
cut remove sections from each line of files
dir list directory contents
du estimate file space usage
echo echo arguments
env set the environment for command invocation
export set the export attribute for variables
fg run jobs in the foreground
find search for files in a directory hierarchy
finger user information lookup program
ftp Internetfile transfer program
grep search a file for a pattern
id print real and effective user and group IDs
kill send a signal to a process
less opposite of more
ln link files
ls list directory contents
man display system documentation
mkdir make directories
more file perusal filter for crt viewing
mv move (rename) files
nice invoke a utility with an altered nice value
nohup run a command immune to hangups, with output to a non-tty
passwd compute password hashes
ps report process status
pwd print name of current/working directory
quota display disk usage and limits
rcp remote file copy
rm remove files
rsync a fast, versatile, remote (and local) file-copying tool
scp secure copy (remote file copy program)
sed stream editor for filtering and transforming text
sftp secure file transfer program
split split files into pieces
strip Discard symbols from object files.
tar The GNU version of the tar archiving utility
top display Linux processes
touch change file timestamps
tree list contents of directories in a tree-like format.
umask get or set the file mode creation mask
uname print system information
unlink call the unlink function
w Show who is logged on and what they are doing.
wc print newline, word, and byte counts for each file
wget The non-interactive network downloader.
whereis locate the binary, source, and manual page files for a command
which locate a command
who show who is logged on
xargs build and execute command lines from standard input
xxd xxd- make a hexdump or do the reverse.
zip package and compress (archive) files
csh C shell with file name completion and command line editing
dash command interpreter (shell)
ksh KornShell, a standard/restricted command and programming language
sh shell, the standard command language interpreter
tcsh C shell with file name completion and command line editing
xargs build and execute command lines from standard input
zsh the Z shell
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