Basic Linux Command :: Part-1

3

Login: root

Password: ******

[root@tn1 root] # ls  –l |  more

Following command is for all the files including Hidden file.

[root@tn1 root] # ls   –a     -l

Or

[root@tn1 root] # ls    -al

Q.How to change directory.

[ General command cd { directory}]

[root@tn1  root] #cd   /bin

[root@tn1  bin]#

Explanation : Here user shifted from root directory to bin directory.

Q. Go back to parent directory.

[root@tn1  root] #cd  ..

root@tn1  root #

Q. How to create a directory?

[General format #mkdir {new directory name }]

root@tn1  root #mkdir   training

Explanation : A sub directory named training has been created under root directory

Let us create a directory named training under home  directory

root@tn1  root #mkdir   /home/training

Q. How to remove a directory.

root@tn1  root #rmdir   training

root@tn1  root #rmdir   /home/training

Explanation: You need to have a empty directory or you have to execute the following command

[root@tn1  root] # rm    -r    /root/ training

[root@tn1  root] # rm   -r   /home/ training

Q. How to copy file?

[General format # cp   {source file}    {destination file}]

[root@tn1  root] #cp   /etc/passwd     sample_passwd

Explanation: Here we copy the passwd file from /etc directory to user’s working directory named by sample_passwd

Q.How will you display a line of text

#echo   “Wellcome to ISPSETUP.COM.BD”

Wellcome to ISPSETUP.COM.BD

Q. How to disconnected from terminal?

#^d

Explanation:You will be disconnected from the terminal and get login terminal.

Login:

Q. File compare.

#fc

Q. How will you get the history file?

#history

Explanation:You will get the whole command that’s the previous administratorhas executed

Q. How will you eject removeable media

# eject

Q.How will you close removeable media

# eject   -t

 

—————Thanks

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3 Comments

  1. Avatar
    sorfuddin ahmad on

    Linux is another popular OS in the world,but this OS is established by command line so,when we are interesting using for Linux OS.Then we shoud learn some basic command for using Linux OS.so thanks for our post dear brother

  2. Avatar

    I AM TOTALLY AGREE WITH U SORFUDDIN AHMED.. nowdays linux is very important o.s. for working IT PLACE….SO THANKS FOR SHARE…

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