Rizwan Ali
-First execute the command *make* in the project directory.
-Then execute *./shell* to run the shell.
- All basic features
- Remindme and clock implemented
- Semicolon separated commands accepted
- Redirection and Piping supported
- Modularization: Almost every command is defined in different file
- exit and quit commands for quitting the shell
- gcc v5.4.0
- Ubuntu 16.04