1. In Linux, the first process is called init. All the others are descendants of init. The
init process spawns a sshd process that detects a new ssh connection. Upon a new
connection, sshd spawns a login process that then overloads a shell on it when a user
successfully log in the system. Now, assume that the user types
who rep gandalf wd -1
Draw a process tree from init to those three commands.
Add fork, exec, wait, dup2 and pipe system calls between any two processes affecting each other.