What is nr in awk command?
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What does pipe () return?
How to check the flavor of UNIX?
How are UNIX file permissions represented?
Enlist some filename manipulation commands in unix.
What does sed command do in unix?
distinguish between user mode and kernel mode?
How does shebang work?
Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...
How can we use grep command in unix?
Which mode is used for allowing file write,read and append mode?
How many bits use for MAC address?
what is telnet?