Vsh

A basic shell made as a part of Operating Systems and Networks course.

Functionality

• Prompt with username, hostname and directory
• Basic commands : cd, pwd, echo, ls, repeat, pinfo
• Ability to run external commands as foreground and background

Installation

1. Run make to build the executable
2. Run make run or ./vsh to start the shell

File structure

Functionality	Files
Prompt	prompt.c prompt.h
cd, pwd, echo, repeat, jobs, fg, bg, sig, replay	builtins.c builtins.h
ls	ls.c ls.h
Baywatch	baywatch.c baywatch.h
Input parser	parse.c parse.h
External commands	execute.c execute.h
Background jobs	jobs.c jobs.h
Data structure for commands	args.c args.h
Error handling, etc	utils.c utils.h
History	history.c history.h
Up arrow key	rawio.c rawio.h
IO Redirection	execute.c execute.h
Signal Handling	Handled when process is set as fg in execute.c