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What does $$ mean in shell script?


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More Shell Script Interview Questions

What is sed in shell script?

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Give some situations where typing error can destroy a program?

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How Connect to a Database in Shell Programming?

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write a shell script to emulate the Id command of PRIMOS which lists files and directories. It list files first with a header FILES and then directories with a header DIRECTORIES. This command has several options. The main ones are. -file select files only -dir select directories only -reverse sort in reverse order -no_header put no header on the output -brief output the header only -size display the size of each file -help display Id´s syntax and options.

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Why do we use shell scripting?

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What is "test"? How it is used in shell scripting?

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What does $0 mean in shell script?

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Where is bash history?

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