What does grep grep do?
How do you ask politely?
1.what is Kernel parameters? 2.how many cpu have use in your machine?
What is df command in unix?
Explain trap command of linux?
What is the command to change from /etc/passwd file to /etc/shadow file?
Any one example of uninteruptable sleeping process?
What could possibly be the problem when a command that was issued gave a different result from the last time it was used?
What is mkdir p?
How do find hard disk revolutions speed?
What is the command can be run to remove all the rules in an iptable table?
What is the command to calculate the size of a folder?
What command would you use to check how much memory is being used by linux?