Question: Explain the significance of this command: ps -e | wc -l. Which process will you look for in the ps output if you are not

  1. Explain the significance of this command: ps -e | wc -l.
  2. Which process will you look for in the ps output if you are not able to (a) print, (b) send out mail, and (c) log in using the secure shell?
  3. Unlike the built-in commands pwd and echo, which also exist as separate executable disk files, why is there no file named cd on any UNIX system
  4. Name five important process attributes that are inherited by the child from its parent.

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