command-not-found.com

Clears the screen of the terminal. More information: <https://manned.org/clear>.

Create ISO files from directories. Also aliased as genisoimage. More information: <https://manned.org/mkisofs>.

Calculate SHA384 cryptographic checksums. More information: <https://www.gnu.org/software/coreutils/manual/html_node/sha2-utilities.html>.

eject

Eject cds, floppy disks and tape drives. More information: <https://manned.org/eject>.

pygmentize

Python-based syntax highlighter. More information: <https://pygments.org/docs/cmdline/>.

cloc

Count, and compute differences of, lines of source code and comments. More information: <https://github.com/AlDanial/cloc>.

logname

Shows the user's login name. More information: <https://www.gnu.org/software/coreutils/logname>.

umount

Unlink a filesystem from its mount point, making it no longer accessible. A filesystem cannot be unmounted when it is busy. More information: <https://man.openbsd.org/umount>.