command-not-found.com

Display current user and group identity. More information: <https://www.gnu.org/software/coreutils/id>.

Open files in an existing Emacs server. See also emacs. More information: <https://www.emacswiki.org/emacs/EmacsClient>.

Guile Scheme interpreter. More information: <https://www.gnu.org/software/guile>.

Interactive spell checker. More information: <http://aspell.net/>.

Show who is logged on and what they are doing. Print user login, TTY, remote host, login time, idle time, current process. More information: <https://manned.org/w>.

Measure how long a command took to run. Note: time can either exist as a shell builtin, a standalone program or both. More information: <https://manned.org/time>.

A server-side MVC framework written in Ruby. Some subcommands such as rails generate have their own usage documentation. More information: <https://guides.rubyonrails.org/command_line.html>.

Open a file for interactive reading, allowing scrolling and search. More information: <https://greenwoodsoftware.com/less/>.