1PWD
It used to display the location of the current working directory.
Syntax
pwd
[vishal@localhost ~]$ pwd
/home/vishal
2mkdir
It used to create a new directory under any directory.
Syntax
mkdir <directoryname or path>
[vishal@localhost ~]$ mkdir my_dir
[vishal@localhost ~]$ ls -ltr
drwxrwxr-x. 2 vishal vishal 6 Mar 25 20:23 my_dir
3rmdir
It used to remove a directory.
Syntax
rmdir <directoryname or path>
[vishal@localhost ~]$ rmdir my_dir
[vishal@localhost ~]$ ls -ltr
total 0