al9aw9a3a saghira
Tree Data Structure: https://www.cs.cmu.edu/~clo/www/CMU/DataStructures/Lessons/lesson4_1.htm
Single & double quotes; https://www.dba-oracle.com/t_linux_single_double_quotes.htm
guide how to make shell in C. https://www.geeksforgeeks.org/making-linux-shell-c/
https://brennan.io/2015/01/16/write-a-shell-in-c/
good quotes handling https://www.codevivek.com/writing-a-shell-in-c/ awileeeeeeeeee https://www.grymoire.com/Unix/Quote.html
https://dev.to/oyagci/generating-a-parse-tree-from-a-shell-grammar-f1
chof hadi mazal makhdamach '"nabil'bouhali' "' their result "nabilbouhali " , our resullt 'nabil'bouhali' '