LINUX OPERATING SYSTEM - Practice Mode

1) Which Linux command list the content of all sub directory?

ls ~ ls * / ls / ls ../

Correct Answer: ls * /

2) What is use of ?who? command in Linux?

login user logout user login password logout password

Correct Answer: login user

3) Write the Linux command to remove all the permission to the user and group on the directory 'software'

chmod ug - rwx software chmod ug - a software chmod ug - A software chmod ug - Rwx software

Correct Answer: chmod ug - rwx software

4) What is the only editor available in virtually every unix installation?

Pine editor VI editor Joe editor Cd editor

Correct Answer: VI editor

5) Who is developed the VI editor?

Bill gates Charles Babage Bill Joy Simon Franklin

Correct Answer: Bill Joy

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