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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In a file , how to retrieve the lines which are the multiples of 50 ? like 50,100,150th lines etc.

9 Answers   Amazon,

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What does $@ mean bash?

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What is subshell?

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When should shell programming/scripting not be used?

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What is the use of "test" command?

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How do I open the shell in cmd?

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Create a bash shell script that reads in a number from the user. If the number is 1, print out the date. If the number is 2, list the files in the current directory. If the number is 3, print out who is currently logged onto the system. If the number is anything else, print out an error message and exit. Name this script "various.sh"

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How to get the last line from a file using just the terminal?

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What is the way to do multilevel if-else's in shell scripting?

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Is shell scripting a language?

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Explain about non-login shell files?

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