SIMPLE SHELL in C Language

The shell is the command interpretor in an operating system such as Unix or GNU/Linux. It is a program that executes other programs. It provides user a command line interface to the Unix/GNU Linux system. This project emulates Linux Shell in C language. Though I named it Simple-Shell-in-C, it supports all the complex functionalities!!

Used System Calls:

1. fork()
2. dup2()
3. execvp()
4. close()
5. perror()
6. exit()

Builtins:

• exit
• cd
• help

Execution Instrucitons:

• Step 1. make clean
• Step 2. make
  or
  
• Step 1. gcc cmdline.c shell.c
• Step 2. ./a.out

file descriptions:*

• cmdline.c : takes input from command line and tokenizes it for shell.c
• shell.c : main shell simulation

In short, all that you are searching for the assignment... ;-)
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