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The original Unix text editor. See also: awk, sed. More information: <https://www.gnu.org/software/ed/manual/ed_manual.html>.
Used for reading or changing the hardware clock. Usually requires root. More information: <https://manned.org/hwclock>.
Display information about resources used in IPC (Inter-process Communication). More information: <https://manned.org/ipcs>.
Utility for managing Non-Volatile DIMMs. More information: <https://manned.org/ndctl>.
Display one-line descriptions from manual pages. More information: <https://manned.org/whatis>.
Fetch gitignore boilerplates. More information: <https://github.com/simonwhitaker/gibo>.
Print a random quotation (fortune-cookie style). More information: <https://manned.org/fortune>.
Compare two files byte by byte. More information: <https://www.gnu.org/software/diffutils/manual/html_node/Invoking-cmp.html>.