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Issue description

Most Guided Exercises and Labs from DO188 are not asking students to return to the home directory (cd ~).

As a side effect, whenever a lab finish XXXXXX command is executed an alert from the lab script is raised stating that the operation was cancelled. If students don't read it, they will face in the next lab an alert about the lab finish from the previous lab was not executed.

Steps to reproduce:

Workaround:

Ask students to run cd ~ before every lab finish instruction

Expected result: