What does #!/ Bin sh do?
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what is the difference between SED and GREP ? Which one is more better and why?
What do chmod command do?
What do know about tee command and its usage?
Explain command to display different lines that are found when compare two files?
what is the significance of "su" command?
Which command is used to restrict incoming messages?
What is the different between UNIX command and UNIX shell script?
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 do you change your account's password?
What does pipe () return?
What are the general commands in using unix os for a beginner?
1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?