Most useful basic Linux/Centos command

Most useful basic Linux/Centos command

Today we will see in this post that basic command in Linux/Centos. It's very easy to create, change, modify and delete files and directory. Please read full articles if you face any problem regarding this articles so please leave comments or drop email within 24 hours you will get reply by our team.

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Please follow all command of linux:

To create a directory(dir):

[root@localhost ONS]# mkdir ram

To enter in any directory:

[root@localhost ONS]# cd ram

To come out from directory:

[root@localhost ONS]# cd ..

To come in top level directory from any directory:

[root@localhost ONS]# cd /

To check the current working directory:

[root@localhost ONS]# pwd


To clear the screen:

[root@localhost ONS]# clear

To check the list of files and directory:

[root@localhost ONS]# ls

To check the list of files and directory permission:

[root@localhost ONS]# ls -l

To delete a blank directory:

[root@localhost ONS]# rmdir ram

To remove directory with his subdirectory:

[root@localhost ONS]# rm -r ram

To check the terminal:

[root@localhost ONS]# tty

To check how many users login on computer:

[root@localhost ONS]# who

To check currently login user on your prompt:

[root@localhost ONS]# whoami

To Eject the CD/ROM and DVD/ROM:

[root@localhost ONS]# eject

To insert the CD/ROM and DVD/ROM:

[root@localhost ONS]# eject -t

To mount the CD/ROM and DVD/ROM:

[root@localhost ONS]# mount /dev/dvdrom /mnt

To dismount the CD/ROM and DVD/ROM:

[root@localhost ONS]# unmount /dev/dvdrom /mnt


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