Show all file in Linux
[root@local hostname]# ll or ls
How to copy
[root@local host]# cp   dir 1/file name   dir 2
How to move file
[root@local host]# mv   dir1/file name dir2
To create five directory at a one time
[root@local host]# mkdir   naman {1, 2, 3,4,5}
Remove all directories
[root@local host]# rm  -rf    naman*
One name provide for all directory
[root@local host]# mkdir naman [1,5]
Create a three directory at a one time
[root@local host]#mkdir kamal {abc, bb, cc} 
Remove all directories
[root@local host]# rm -rf  kamal*[a,b,c]
 To delete the directory which has any single last character? 
[root@local host]# rm  -rf   kamal*[last char]