Exercice 1$ ls -lF AUTHORS.md-rw-rw-rw- 1 root root 26 Nov 18 16:03 AUTHORS.md$ echo "Exercice 2"Exercice 2$ ls -lF plots/*_alpha_2.pdfls: plots/*_alpha_2.pdf: No such file or directoryCleaning up file based variablesERROR: Job failed: exit code 1