What is the nmap command?
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What is nr in awk command?
What are awk commands?
how many internal commands is there in UNIX?
How to find and replace the below command?
Which command is used to restrict incoming messages?
What are grep patterns?
Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?
How to know a process is a zombie or orphan process?
in a growing log file how will you see the 1st 99 lines?
Who wrote grep?
what is the command to print last 8 lines of any text file.
What does grep v grep do?