Basic LINUX commads and Linux system Information

13 May 2015    01:35 pm

Most the B.tech(CSE) or M.tech(CSE) students are using LINUX Operating system for general purpose and other technical purpose, but most of them are doesn't know the basic linux commands. JNTUFORUM is giving you the basic Commands of LINUX. The commands are listed in the form of Picture, you can read and execute in your PC or Laptop or Notebook.

Some more commands in the form of Alphabatical order:

 

A

alias - create names or abbreviations for commands
apropos - search the manual page names and descriptions
at [man page] - queue, examine or delete jobs for later execution

B

bc [man page] - An arbitrary precision calculator language

C

cal - displays a calendar
cat [man page] - concatenate files and print on the standard output
cd - change directory
chgrp [man page] - change group ownership
chmod [man page] - change file access permissions
cksum [man page] - checksum and count the bytes in a file
cp [man page] - copy files and directories
csplit [man page] - split a file into sections determined by context lines

D

date [man page] - print or set the system date and time
dd [man page] - convert and copy a file
du [man page] - estimate file space usage

E

egrep [man page] - print lines matching a pattern
export - set an environment variable

F

fgrep [man page] - print lines matching a pattern
find [man page] - search for files in a directory hierarchy
fold [man page] - wrap each input line to fit in specified width

G

grep [man page] - print lines matching a pattern

H

head [man page] - output the first part of files

I

J

join [man page] - join lines of two files on a common field

K

L

logrotate [man page] - rotates, compresses, and mails system logs
ls [man page] - list directory contents

M

mkdir [man page] - make directories
mv [man page] - move (rename) files
mount [man page] - mount a file system

N

nl [man page] - number lines of files

O

od [man page] - dump files in octal and other formats

P

pwd [man page] - print name of current/working directory

Q

R

rgrep [man page] - print lines matching a pattern
rm [man page] - remove files or directories

S

scp - secure copy (remote file copy program)
ssh - OpenSSH SSH client (remote login program)

T

tail [man page] - output the last part of files
tar [man page] - The GNU version of the tar archiving utility
tee [man page] - read from standard input and write to standard output and files
time [man page] - run programs and summarize system resource usage
touch [man page] - change file timestamps

V

vim - Vi IMproved, a programmers text editor

W

watch [man page] - execute a program periodically, showing output fullscreen
wc [man page] - print newline, word, and byte counts for each file
whoami [man page] - print effective userid

X

Y

yes [man page] - output a string repeatedly until killed

Z