command-not-found.com
Format and print text. More information: <https://www.gnu.org/software/coreutils/printf>.
An SVG (Scalable Vector Graphics) editing program. For Inkscape versions up to 0.92.x, use -e instead of -o. More information: <https://inkscape.org>.
Disk usage analyzer with an ncurses interface. More information: <https://manned.org/ncdu>.
Converts SCSS or Sass files to CSS. More information: <https://sass-lang.com/documentation/cli/dart-sass>.
File archiver with a high compression ratio. Similar to 7z except that it only supports .7z files. More information: <https://manned.org/7zr>.
User information lookup program. More information: <https://manned.org/finger>.
Shutdown and reboot the system. More information: <https://manned.org/shutdown.8>.
Mercurial - a distributed source control management system. Some subcommands such as hg commit have their own usage documentation. More information: <https://www.mercurial-scm.org>.