Common Linux commands Addition

[manas11]

As part of hacktoberfest Add details of common linux commands with example, descirption about it for example: -- touch -- mkdir -- mv -- cp -- rm etc.

steps to do so: -- checkout your feature branch lets say linux101 from master -- create a directory in root of the repository named LinuxCommands -- inside the LinuxCommands directory, create individual files like if you are writing about mkdir then filename will be mkdir.txt -- after creating the file, you edit the file add description of the command, example, screenshots if any -- now time to push the files onto github -- git add, git commit, git push and raise a PR to master branch

[mansig0107]

I will work on this issue.

[manas11]

I will work on this issue.

Sure sure go ahead and raise PRs