Linux Commands

Linux basic commands used commonly

Basic Linux Commands That i know...

Here is basic Linux commands available in common at any Linux platforms. This commands manual pages can be retrieve with use this command with term man in command prompt.

adduser - Create New User Account

awk - Find and Replace text withing Files

cal - Open Calender Application

cat - Concatenate files and print on the standard output

cd - Change working directory

chown - Change the group ownership of files

chmod - Change the access permissions of files and directories

chroot - Change root directory

clear - Clear terminal screen

cmp - Compare two files

comm - Compare two sorted files line by line

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

cut - Divide a file into several parts

date - Display or change the date & time

df - Display free disk space

diff - Display the differences between two files

dir - Briefly list directory contents

du - Estimate file space usage

echo - Display message on screen

eject - Eject CD-ROM

env Display, set, or remove environment variables

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

format - Format disks or tapes

fsck - Filesystem consistency check and repair

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)

head - Output the first part of file(s)

hostname - Print or set system name

info - Help info

install - Copy files and set attributes

kill - Stop a process from running

less - Display output one screen at a time

ln - Make links between files

locate - Find files

logname - Print current login name

ls - List information about file(s)

man - Help manual

mkdir - Create new folder(s)

more - Display output one screen at a time

mount - Mount a file system

mv - Move or rename files or directories

nohup - Run a command immune to hangups

passwd - Modify a user password

paste - Merge lines of files

pathchk - Check file name portability

pr - Convert text files for printing

printcap - Printer capability database

printenv - Print environment variables

printf - Format and print data

ps - Process status

pwd - Print Working Directory

ram - ram disk device

rcp - Copy files between two machines

rm - Remove files

rmdir - Remove folder(s)

rpm - Remote Package Manager

sleep - Delay for a specified time

sort - Sort text files

split - Split a file into fixed-size pieces

su - Substitute user identity

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

touch - Change file timestamps

top - List processes running on the system

traceroute - Trace Route to Host

true - Do nothing, successfully

tsort - Topological sort

tty - Print filename of terminal on stdin

umount - Unmount a device

uname - Print system information

uniq - Uniquify files

units - Convert units from one scale to another

unshar - Unpack shell archive scripts

useradd - Create new user account

usermod - Modify user account

uuencode Encode a binary file

wc - Print byte, word, and line counts

whereis - Report all known instances of a command

which - Locate a program file in the user's path

who - Print all usernames currently logged in