What is the function of grep command in unix?
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Which command can you use to find the currently running process in unix server?
Through which command will redirect output to bOth screen and files at the same time?
What is awk used for?
what is the command to find out which shell you are running?
What is the nmap command?
Explain command to display different lines that are found when compare two files?
What do chgrp command do?
How do I use grep to find a file?
Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
What does the command ' $who | sort –logfile > newfile' do?
What do you mean by zambie process?
what is virtual machine?