https://cdn.intra.42.fr/pdf/pdf/15719/en.subject.pdf
https://harm-smits.github.io/42docs/projects/minishell
https://www.cs.purdue.edu/homes/grr/SystemsProgrammingBook/Book/Chapter5-WritingYourOwnShell.pdf √√
https://arcb.csc.ncsu.edu/~mueller/codeopt/codeopt00/y_man.pdf
https://brennan.io/2015/01/16/write-a-shell-in-c/ √√
https://futureisloading-bg.slack.com/files/UNVG3SNKD/F01TRCNHRE0/thorsten_ball_-_writing_an_interpreter_in_go.pdf
Simple but Powerful Pratt Parsing