Shelllab (TSH)

This is assignment repository for POSTECH CSED211 on 2017 fall semester.
Also known as CS:APP Shell Lab.

File Description

• Makefile: Compiles your shell program and runs the tests
• README: This file
• tsh.c: The shell program that you will write and hand in
• tshref: The reference shell binary.

The remaining files are used to test your shell

• sdriver.pl: The trace-driven shell driver
• trace*.txt: The 15 trace files that control the shell driver
• tshref.out: Example output of the reference shell on all 15 traces

Little C programs that are called by the trace files

• myspin.c: Takes argument and spins for seconds
• mysplit.c: Forks a child that spins for seconds
• mystop.c: Spins for seconds and sends SIGTSTP to itself
• myint.c: Spins for seconds and sends SIGINT to itself