Question: Problem 4 Write a bash script that prints to the standard output (screen/terminal): a) The name of the shell from which your script started (spawned/forked)

Problem 4

Write a bash script that prints to the standard output (screen/terminal):

a) The name of the shell from which your script started (spawned/forked)

b) PID of the shell from which your script started (spawned/forked)

c) PID of the process that executes your shell (PID of spawned/forked shell

-Note that the command echo $0 may not be helpful when you call the script with a relative or absolute pathname. Consider using commands ps and cut as well as some Keyword Variables.

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