command-not-found.com
Securely sandboxes processes to containers using built-in Linux capabilities. More information: <https://manned.org/firejail>.
Convert a CSV file to a custom output format. Included in csvkit. More information: <https://csvkit.readthedocs.io/en/latest/scripts/csvformat.html>.
Change group ownership of files and directories. More information: <https://www.gnu.org/software/coreutils/chgrp>.
Add or remove modules from the Linux kernel. More information: <https://manned.org/modprobe>.
Email IMAP tool for syncing, copying and migrating email mailboxes between two IMAP servers, one way, and without duplicates. More information: <https://imapsync.lamiral.info>.
Version Control System for the home directory using Git repositories. More information: <https://github.com/RichiH/vcsh>.
Package management utility for RHEL, Fedora, and CentOS (for older versions). For equivalent commands in other package managers, see <https://wiki.archlinux.org/title/Pacman/Rosetta>. More information: <https://manned.org/yum>.
Wrap each line in an input file to fit a specified width and print it to stdout. More information: <https://manned.org/fold.1p>.