C - Simple Shell

About this project

Simple Shell Project

This project is a simplified version of the Linux shell, developed as part of a group school project.

Objective

The aim of this project is to create a shell capable of interpreting and executing simple commands, similar to those found in Linux-based operating systems.

What is the shell?

The shell is a program that takes commands from the keyboard via the terminal, and gives them to the operating system to perform. documentation shell.

Requirements

• GCC Language standard gnu89

• Ubuntu 20.04 LTS

• And minimal understanding of C language

USAGE

Installation

Step 1: Clone the repo

$ git clone https://github.com/jydzip/holbertonschool-simple_shell.git

Step 2: Change directory to holbertonschool-simple_shell:

$ cd holbertonschool-simple_shell

Step 3: install GCC to Ubuntu 20.04 LTS

$ sudo apt update
$ sudo apt install build-essential

Compilation

$ gcc -Wall -Werror -Wextra -pedantic -std=gnu89 *.c -o hsh

Run the shell

$ ./hsh

Exiting the "hell": When you want to exit the shell

Option 1: Type the command "exit"

$ exit

Option 2: Press on Ctrl+D

Example of Usage

Files

File name	Description
main.c	Main File, loop of the prompt
split_line.c	Split input of the shell in tokens
path.c	Retrieve and check the PATH and command exist
shell.c	Execute the command

Flowchart

• Draw.io Visual online

Functions and system calls+ used

• access (man 2 access)
• execve (man 2 execve)
• exit (man 3 exit)
• fflush (man 3 fflush)
• fork (man 2 fork)
• free (man 3 free)
• getline (man 3 getline)
• isatty (man 3 isatty)
• malloc (man 3 malloc)
• printf (man 3 printf)
• fprintf (man 3 fprintf)
• strtok (man 3 strtok)
• waitpid (man 2 waitpid)

Contribution

This project is being developed in collaboration with other students as part of a team effort. Any additional contribution is welcome.

Authors

This project was carried out by Youssoup, Jeremy and Marc as part of for Holberton School.