simple_shell

• The Unix Shell.
• The Thompson Shell.
• Coding your own shell.
• man sh.

List of functions and system calls we are allowed to use:

• access (man 2 access)
• chdir (man 2 chdir)
• close (man 2 close)
• closedir (man 3 closedir)
• execve (man 2 execve)
• exit (man 3 exit)
• fork (man 2 fork)
• free (man 3 free)
• fstat (man 2 fstat)
• getcwd (man 3 getcwd)
• getline (man 3 getline)
• kill (man 2 kill)
• lstat (man 2 lstat)
• malloc (man 3 malloc)
• open (man 2 open)
• opendir (man 3 opendir)
• perror (man 3 perror)
• read (man 2 read)
• readdir (man 3 readdir)
• signal (man 2 signal)
• stat (man 2 stat)
• strtok (man 3 strtok)
• wait (man 2 wait)
• waitpid (man 2 waitpid)
• wait3 (man 2 wait3)
• wait4 (man 2 wait4)
• write (man 2 write)
• _exit (man 2 _exit)