What command is used to switching between users in unix?
what is tar command and what are the different types of tar commands?
What is ‘ps’ command for?
Explain mount and unmount command.
Is grep faster than awk?
Using unix command how to display no of records in oracle?
What does the md command do?
what is ls -ltd?
what are the different hardwares available?
What is the difference between cat and more command?
what is the use of uniq commmand?
distinguish between paging and swapping?
why unix commands can be divided into internal and external commands?