This is command line tool like shell made using node.js by Vishal
1. install nodejs
2. install npm
3. git clone https://github.com/Vishal067/command-line-tool-using-node.js.git
4. npm install
5. node shell.js
1. ls
2. pwd
3. cd <directory_name>
4. ls <directory_name>
5. fg <pid>
6. <path_to_binary> <args>
7. exit