todo

[cat] Run and understand. Correctly output spaces with the cat command

[basename] Run and understand. basename command to get file name from folder name containing spaces

[chown] Run and understand. Change the username of a file with the chown command

[chmod] Run and understand. chmod command to execute shell script

[awk] Run and understand. Split a string with awk command and display the whole string

[awk] Run and understand. Split any string by spaces with the awk command

[openssl] Run and understand. Output a random string with the openssl command

[xargs] Run and understand. Formatting standard input strings with the xargs command

[xargs] Run and understand. xargs command to open a file from a string

[shopt] Run and understand. Enable alias with the shopt command