Question: Programming UNIX 1. Write the commands that would: a. Execute this sequence of commands in a subshell and write the output to the file called

Programming UNIX

1. Write the commands that would:

a. Execute this sequence of commands in a subshell and write the output to the file called output.txt. Heres the sequence:

echo hello from $$

sleep 3

echo goodbye

b. Then display the contents of output.txt once the subshell has finished.

c. What does the $$ variable give you?

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