alias Create an alias
\napropos Search Help manual pages (man -k)
\napt-get Search for and install software packages (Debian)
\naspell Spell Checker
\nawk Find and Replace text, database sort\/validate\/index
\nb
\nbash GNU Bourne-Again SHell
\nbc Arbitrary precision calculator language
\nbg Send to background
\nbreak Exit from a loop
\nbuiltin Run a shell builtin
\nbzip2 Compress or decompress named file(s)
\nc
\ncal Display a calendar
\ncase Conditionally perform a command
\ncat Display the contents of a file
\ncd Change Directory
\ncfdisk Partition table manipulator for Linux
\nchgrp Change group ownership
\nchmod Change access permissions
\nchown Change file owner and group
\nchroot Run a command with a different root directory
\nchkconfig System services (runlevel)
\ncksum Print CRC checksum and byte counts
\nclear Clear terminal screen
\ncmp Compare two files
\ncomm Compare two sorted files line by line
\ncommand Run a command – ignoring shell functions
\ncontinue Resume the next iteration of a loop
\ncp Copy one or more files to another location
\ncron Daemon to execute scheduled commands
\ncrontab Schedule a command to run at a later time
\ncsplit Split a file into context-determined pieces
\ncut Divide a file into several parts
\nd
\ndate Display or change the date & time
\ndc Desk Calculator
\ndd Convert and copy a file, write disk headers, boot records
\nddrescue Data recovery tool
\ndeclare Declare variables and give them attributes
\ndf Display free disk space
\ndiff Display the differences between two files
\ndiff3 Show differences among three files
\ndig DNS lookup
\ndir Briefly list directory contents
\ndircolors Colour setup for `ls’
\ndirname Convert a full pathname to just a path
\ndirs Display list of remembered directories
\ndmesg Print kernel & driver messages
\ndu Estimate file space usage
\ne
\necho Display message on screen
\negrep Search file(s) for lines that match an extended expression
\neject Eject removable media
\nenable Enable and disable builtin shell commands
\nenv Environment variables
\nethtool Ethernet card settings
\neval Evaluate several commands\/arguments
\nexec Execute a command
\nexit Exit the shell
\nexpect Automate arbitrary applications accessed over a terminal
\nexpand Convert tabs to spaces
\nexport Set an environment variable
\nexpr Evaluate expressions
\nf
\nfalse Do nothing, unsuccessfully
\nfdformat Low-level format a floppy disk
\nfdisk Partition table manipulator for Linux
\nfg Send job to foreground
\nfgrep Search file(s) for lines that match a fixed string
\nfile Determine file type
\nfind Search for files that meet a desired criteria
\nfmt Reformat paragraph text
\nfold Wrap text to fit a specified width.
\nfor Expand words, and execute commands
\nformat Format disks or tapes
\nfree Display memory usage
\nfsck File system consistency check and repair
\nftp File Transfer Protocol
\nfunction Define Function Macros
\nfuser Identify\/kill the process that is accessing a file
\ng
\ngawk Find and Replace text within file(s)
\ngetopts Parse positional parameters
\ngrep Search file(s) for lines that match a given pattern
\ngroups Print group names a user is in
\ngzip Compress or decompress named file(s)
\nh
\nhash Remember the full pathname of a name argument
\nhead Output the first part of file(s)
\nhistory Command History
\nhostname Print or set system name
\ni
\nid Print user and group id’s
\nif Conditionally perform a command
\nifconfig Configure a network interface
\nifdown Stop a network interface
\nifup Start a network interface up
\nimport Capture an X server screen and save the image to file
\ninstall Copy files and set attributes
\nj
\njoin Join lines on a common field
\nk
\nkill Stop a process from running
\nkillall Kill processes by name
\nl
\nless Display output one screen at a time
\nlet Perform arithmetic on shell variables
\nln Make links between files
\nlocal Create variables
\nlocate Find files
\nlogname Print current login name
\nlogout Exit a login shell
\nlook Display lines beginning with a given string
\nlpc Line printer control program
\nlpr Off line print
\nlprint Print a file
\nlprintd Abort a print job
\nlprintq List the print queue
\nlprm Remove jobs from the print queue
\nls List information about file(s)
\nlsof List open files
\nm
\nmake Recompile a group of programs
\nman Help manual
\nmkdir Create new folder(s)
\nmkfifo Make FIFOs (named pipes)
\nmkisofs Create an hybrid ISO9660\/JOLIET\/HFS filesystem
\nmknod Make block or character special files
\nmore Display output one screen at a time
\nmount Mount a file system
\nmtools Manipulate MS-DOS files
\nmv Move or rename files or directories
\nmmv Mass Move and rename (files)
\nn
\nnetstat Networking information
\nnice Set the priority of a command or job
\nnl Number lines and write files
\nnohup Run a command immune to hangups
\nnslookup Query Internet name servers interactively
\no
\nopen Open a file in its default application
\nop Operator access
\np
\npasswd Modify a user password
\npaste Merge lines of files
\npathchk Check file name portability
\nping Test a network connection
\npkill Stop processes from running
\npopd Restore the previous value of the current directory
\npr Prepare files for printing
\nprintcap Printer capability database
\nprintenv Print environment variables
\nprintf Format and print data
\nps Process status
\npushd Save and then change the current directory
\npwd Print Working Directory
\nq
\nquota Display disk usage and limits
\nquotacheck Scan a file system for disk usage
\nquotactl Set disk quotas
\nr
\nram ram disk device
\nrcp Copy files between two machines
\nread read a line from standard input
\nreadonly Mark variables\/functions as readonly
\nreboot Reboot the system
\nrenice Alter priority of running processes
\nremsync Synchronize remote files via email
\nreturn Exit a shell function
\nrev Reverse lines of a file
\nrm Remove files
\nrmdir Remove folder(s)
\nrsync Remote file copy (Synchronize file trees)
\ns
\nscreen Multiplex terminal, run remote shells via ssh
\nscp Secure copy (remote file copy)
\nsdiff Merge two files interactively
\nsed Stream Editor
\nselect Accept keyboard input
\nseq Print numeric sequences
\nset Manipulate shell variables and functions
\nsftp Secure File Transfer Program
\nshift Shift positional parameters
\nshopt Shell Options
\nshutdown Shutdown or restart linux
\nsleep Delay for a specified time
\nslocate Find files
\nsort Sort text files
\nsource Run commands from a file `.’
\nsplit Split a file into fixed-size pieces
\nssh Secure Shell client (remote login program)
\nstrace Trace system calls and signals
\nsu Substitute user identity
\nsudo Execute a command as another user
\nsum Print a checksum for a file
\nsymlink Make a new name for a file
\nsync Synchronize data on disk with memory
\nt
\ntail Output the last part of files
\ntar Tape ARchiver
\ntee Redirect output to multiple files
\ntest Evaluate a conditional expression
\ntime Measure Program running time
\ntimes User and system times
\ntouch Change file timestamps
\ntop List processes running on the system
\ntraceroute Trace Route to Host
\ntrap Run a command when a signal is set(bourne)
\ntr Translate, squeeze, and\/or delete characters
\ntrue Do nothing, successfully
\ntsort Topological sort
\ntty Print filename of terminal on stdin
\ntype Describe a command
\nu
\nulimit Limit user resources
\numask Users file creation mask
\numount Unmount a device
\nunalias Remove an alias
\nuname Print system information
\nunexpand Convert spaces to tabs
\nuniq Uniquify files
\nunits Convert units from one scale to another
\nunset Remove variable or function names
\nunshar Unpack shell archive scripts
\nuntil Execute commands (until error)
\nuseradd Create new user account
\nusermod Modify user account
\nusers List users currently logged in
\nuuencode Encode a binary file
\nuudecode Decode a file created by uuencode
\nv
\nv Verbosely list directory contents (`ls -l -b’)
\nvdir Verbosely list directory contents (`ls -l -b’)
\nvi Text Editor
\nvmstat Report virtual memory statistics
\nw
\nwatch Execute\/display a program periodically
\nwc Print byte, word, and line counts
\nwhereis Report all known instances of a command
\nwhich Locate a program file in the user’s path.
\nwhile Execute commands
\nwho Print all usernames currently logged in
\nwhoami Print the current user id and name (`id -un’)
\nWget Retrieve web pages or files via HTTP, HTTPS or FTP
\nwrite Send a message to another user
\nx
\nxargs Execute utility, passing constructed argument list(s)
\nyes Print a string until interrupted
\n. Run a command script in the current shell<\/p>\n","protected":false},"excerpt":{"rendered":"
alias Create an alias apropos Search Help manual pages (man -k) apt-get Search for and install software packages (Debian) aspell Spell Checker awk Find and Replace text, database sort\/validate\/index b bash GNU Bourne-Again SHell bc Arbitrary precision calculator language bg Send to background break Exit from a loop builtin Run a shell builtin bzip2 Compress… <\/p>\n