What does $$ mean in shell script?
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What is awk in shell script?
Is shell scripting a programming language?
How to declare functions in unix shell script?
What is the difference between grep and egrep?
What does the sh command do?
How will you find the 99th line of a file using only tail and head command?
What is basename in shell script?
What are the default permissions of a file when it is created?
What are "c" and "b" permission fields of a file?
What is shell company all about?
Where cron file kept?
How to sort a result of Ls -l command based on columns. Ex. i want to sort 5th column from output of ls -l command.