Command-line-interface-

Command line interface program implementing

1. clear: clear the console
2. cd: change your directory
3. ls: list files and directories in your current directory
4. cp: copy content of file to another file
5. mv: move file or rename it
6. rm: remove directory
7. mkdir: make new directory
8. rmdir: remove directory
9. cat: display all content of a file
10. more: display content of file, 10 lines per each click
11. pwd: prints your current directory
12. args: print the arguments that specific command take
13. date: print date
14. ? : display what this command do
15. ">>" (without quotes) print the output of command to specific file(append)
16. ">" (without quotes) print the output of command to specific file(overwrite)
17. | : make more than one command