Directory: -

Part – 1: - (Creation of Directory)

Q) How to create an empty directory ?

Ans - $ mkdir <Directory_Name><Enter – Key>

<Directory_Name>

1. Directory Name should start with characters, not number and special characters.

Example –

d1, hira, D123 (Allowed)

1d, 123a, @dir (Not Allowed)

2. There is no space in the directory name.

Q) How to create multiple directories in same level ?

Ans - $ mkdir <1^st Directory Name> <2^nd Directory Name> <3^rd Directory Name><Enter – Key>

Example - $ mkdir d1 d2 d3 d4

Q) How to create multiple directories in hierarchical structure ?

Ans - $ mkdir –p <1^st Directory Name>/<2^nd Directory Name>/<3^rd Directory Name><Enter – Key>

Example - $ mkdir –p d1/d2/d3/d4

Q) How to create directory in home directory ?

Ans - $ mkdir ~/< Directory Name><Enter – key>

Example - $ mkdir ~/d1

Q) How to create a directory with a permission 742 ?

Ans - $ mkdir –m 742 <Directory Name><Enter – key>

Example - $ mkdir – m 742 d1

Part – 2: - (Changing Directory)

Q) How you know which directory you currently working?

Ans - $ pwd<Enter – Key>

Where pwd – Present Working Directory

Q) Which command is used to change directory ?

Ans – cd

Q) How to change directory to root directory from any directory ?

Ans - $ cd /<Enter – Key>

Q) How to change directory to home directory from any directory ?

Ans - $ cd ~<Enter – Key>

Q) How to change directory from current directory to one layer up ?

Ans - $ cd ..<Enter – Key>

Q) How to change directory from current directory to two layers up ?

Ans - $ cd ../..<Enter – Key>

Q) How to change directory from current directory to three layers up ?

Ans - $ cd ../../..<Enter – Key>

Q) How to change directory from current directory to which directory you come from ?

Ans - $ cd -<Enter – Key>

It behaves as reversible.

Part – 3: - (Removing Directory)

Q) How to remove an empty directory ?

Ans - $ rmdir <Directory_Name><Enter – Key>

Example - $ rmdir d1

Q) How to remove an non – empty directory ?

Ans - $ rm –r <Directory_Name><Enter – Key>

Where r – recrusively process

In this process, you can roll back your deleted directory by Unix Admin Team.

Q) How to remove an non – empty directory forcefully ?

Ans - $ rm –rf <Directory_Name><Enter – Key>

Where r – recrusively process, f - forcefully

In this process, you cannot roll back your deleted directory.