What is s and g in sed command?
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How does the user view the contents of a text file in UNIX?
What is awk used for?
Why is awk called awk?
What does grep v grep do?
What is the difference between Shell Programming and Shell scripting?
10 Answers HCL, TCS, Wipro,
Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
What does #!/ Bin sh do?
Differentiate cmp command from diff command.
How do I use nslookup?
distinguish between physical addresses and logical address?
Which command should you use to find the remaining disk space in unix server?
How do you execute a UNIX command in the background?