COMP304 - Fall 2022 - Project 1

This is the first project of the COMP304 course (Fall '22) in Koç University.

Contributors

Bora Berke Şahin
Büşra Işık

Compiling

Use the following to compile and run the shell.

gcc shellax.c -o shellax
./shellax

Background Processes

Use the following format to run any process in the background in the shell.

<command name> <args> &

Function Usages

Uniq Command

Given sorted lines from a pipe

cat input.txt | uniq 

Given sorted lines using redirector

uniq <input.txt

Include count of unique elements

uniq --count <input.txt 

Chatroom Command

Enter to a room best_room with username bora

chatroom best_room bora

Enter to the same best_room with username busra

chatroom best_room busra

Then start chatting!

Wiseman Command

Give an integer specifying how often a quote is voice overed in terms of minutes.

wiseman 5

Bora's Custom Command snake

usage: snake [-h] [--speed {1,2,3,4,5,6,7,8,9,10}]
             [--frame {small,medium,large}]

A simple and fun classic snake game!

optional arguments:
  -h, --help            show this help message and exit
  --speed {1,2,3,4,5,6,7,8,9,10}
                        the speed of the game. Between 1 and 10
  --frame {small,medium,large}
                        Size of the frame. small, medium, or big.

Busra's Custom Command dance

This command has two inputs: the first one is an integer indicating which of the three dances you want to be displayed and the second one is an integer indicating how many times you want the animation to be played.

dance 1 3

dance 2 3

dance 3 3

Psvis Command

Enter a PID of a process and an image output name for the child processes of that process as a tree graph, eldest children of each process colored red.

psvis 1 image