Question 11 :
Write a command to kill the last background job?
Question 12 :
Which command is used to delete all files in the current directory and all its sub-directories?
rm -r *
Question 13 :
Write a command to display a file's contents in various formats?
$od -cbd file_name
c - character, b - binary (octal), d-decimal, od=Octal Dump.
Question 14 :
What will the following command do?
$ echo *
It is similar to 'ls' command and displays all the files in the current directory.
Question 15 :
Is it possible to create new a file system in UNIX?
Yes, 'mkfs' is used to create a new file system.