Explain getopts command of linux?
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What is the difference between kill and kill -9 commands?
Who whoami linux?
What command should you use to check your file system?
What would you do when all the processess hangs and there is no other option in unix?
what is the fastest way to enter a series of commands from the command-line in linux
What is tty in linux process?
Explain getopts command of linux?
Which command will show you free/used memory?
How do I run a script in linux?
Explain grep command.
ls -l ls -t ls -r ls -a ls -ltr ls -u grep error file.txt grep -v error file.txt perl prg.pl | ./file.txt tee chmod +x chmod -x chmod =x ps bg date +%y%m%d ?
What is phony in makefile?