Linux is an operating
system.It is
similar to the unix os.
Basic linux command:
1.Ls :- This
command is used to list
all the files in the current working
directory .
Eg :- $ls
2.Rm :- This command is used to
remove the file
from the directory.
Eg :- $rm filename
3.Rmdir :- This command is
used remove directory .
But
it should not contain any
file.Then only we can remove
the directory
eg :-$rmdir directory name
4.Cat :- This command is
used to display the content
of file.
Eg :- $cat>filename
(i.e.,)used to write the
content in to the file.
eg :- $cat file .(i.e.,) used to
display the content
in the file
. CD :- This command is
used to change the current
working directory.
Eg :- $cd
6.mv :- This command is
also called rename
command.it
is used to move
the content from the source
file to the desigination file.
Eg :- $mv sourcefile
desgination file
7.who :- This command is
used to display the users
who are currently logged on.
Eg :- $who
8.who am i :- This command
is used to display the
information about the user.
Eg:- $who am i
9.mk dir :- This command is
used to create a new
directory.
Eg :- $mkdir directoryname
10.Cp :- This command is
used to copy the content of
source file to the designation
file.
Eg :-$cp source_file
desgination_file
14.wc :- This command is used to
count the number
of character in a
file
eg :- wc option
filename
15.pwd :- this command is used to
display current
working directory.
Eg :- pwd
16. man:- This command is used to
show the
information about any
commands.
Eg:-man <any
command>
. chmod :-
This command is used to
change the file acess
permission..
20. clear :- this command is used
to clear the terminals.
Eg:-clear
21. w :- this command is used to
print the current system users.
. telnet :-
Telnet allows you to login
remotely from a remote
computer to a host
23.Touch:-
This command is used to
create file that file is
bydefault txt.
Eg:-touch
filename
. cal:-
This command are used to
display the system
calendar.
Eg:-cal
27. ifconfig:-
This command are used to
display the system IP
address.
28.hostname:-
This command are display
the hostname .
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