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Lab 2: nyush

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A Small Unix-like Shell with Pipelines, Redirection, and Job Control

nyush
Welcome to nyush shell!
Try commands like: ls, jobs, fg 1, cd, or exit

[nyush lab2]$

Built-in Commands

cd [dir]

Change directory

jobs

List background/stopped jobs

fg [index]

Resume job in foreground

exit

Exit the shell

Features

  • ▸Pipelines: cmd1 | cmd2
  • ▸Input redirection: cmd < file
  • ▸Output redirection: cmd > file
  • ▸Append: cmd >> file
  • ▸Job control with signal handling
  • ▸No zombie processes (uses waitpid)