command-not-found.com
Encodes, decodes and tests FLAC files. More information: <https://xiph.org/flac>.
Display and concatenate files with lines in reversed order. See also: cat. More information: <https://www.gnu.org/software/coreutils/tac>.
Search the manual pages for names and descriptions. More information: <https://manned.org/apropos>.
Mobile Shell (mosh) is a robust and responsive replacement for SSH. mosh persists connections to remote servers while roaming between networks. More information: <https://mosh.org>.
Delay for a specified amount of time. More information: <https://pubs.opengroup.org/onlinepubs/9699919799/utilities/sleep.html>.
Configure symlinks and cache for shared library dependencies. More information: <https://manned.org/ldconfig>.
A more powerful ping which can ping multiple hosts. More information: <https://fping.org>.
Get or set the hostname of the computer. More information: <https://manned.org/hostnamectl>.