Git Link
https://git.cse.iitb.ac.in/akiitb/CS699_outlab2

Contributions:

Shubham Pyase (203050116-)- Problem 4
Sarvesh Pandey (203050021-) Problem 2
Mayur Rathod(203050088-) Problem 3,5,6
Amit Kumar (203050053-akiitb)- Problem 1
Munna Paswan (203050120-)- Problem 

Refrences:

https://www.gnu.org/software/grep/manual/grep.html#Regular-Expressions
https://unix.stackexchange.com/questions/37508/in-what-order-do-piped-commands-run
https://linuxize.com/post/regular-expressions-in-grep/
https://www.geeksforgeeks.org/diff-command-linux-examples/
https://www.tomshardware.com/how-to/customize-linux-terminal
https://www.cyberciti.biz/faq/unixlinux-sed-case-insensitive-search-replace-matching/