What is the functionality of a top command?
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What does #!/ Bin sh do?
What is the difference between awk and grep?
what is the use of "grep" command?
What is command substitution?
in UNIX,How to copy file into directory?
How do you move a process which is running background to foreground?
How do I use grep to search for a file?
Why is grep called grep?
What are awk commands?
what is the advaantage of each user having its own copy of the shell?
Why is awk called awk?
what are processor execution levels and priorities?