`clean` - Remove all impermanent state and output files   clean - The `clean` command deletes the intermediate output files of Makeshift, together with the directory in which they are housed, `/tmp/Makeshift/`.      - The working directory must be the command directory.      : see `^*working directory$` @ `^*shell commands$` @ http://reluk.ca/project/Java/editorial_guidelines.brec \ Copyright © 2020, 2022 Michael Allan. Licence MIT.