What is the use of awk command in unix?
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What command is used to check the current users?
Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?
What is unix command?
what are processor execution levels and priorities?
How does one process we can start an executable file? How to get the PID process, which we started?
What is the difference between udp and tcp?
What is used to type command?
distinguish between user mode and kernel mode?
How do you change your account's password?
what these two commands prints "echo test","cat test"?
in UNIX ,What is the command to view contents of a large error log file?
what is the difference between SED and GREP ? Which one is more better and why?