Linux Process Management (3)

1. Write a command that will display a list of bash builtins. Insert the output of the command below it.

2. Write a command that will create five forks, including one that executes a "ps -l" command. Insert the output of the command below it.

3. Write a command that will sort the /etc/passwd file on the third field, and save the output to /dev/null/. Insert the output of the command below it.

4. Write a command that will find all files in your current working directory, but no other directory whose content contains the two-character string "\;" Command must run in the background and redirect standard error to /dev/null. Insert the output of the command below it.