I will keep the topic I choose for my concept map. GNU Coreutils.
To distinguish novices from competent:
The GNU Coreutils is a colection of tools for a Unix-like shell to manager
files that in a few cases is incompatible with the POSIX standard.
Select the option below that give a valid shell command using ONLY tools of
the GNU Coreutils for the desired action:
</table> To distinguish competent from experts:
The rm command of GNU Coreutils with the flag `-rf` must be used with
caution.
Select the option below that give a valid shell command using rm he desired
action:
</table>