Packages and Binaries:

command-not-found

Suggest installation of packages in interactive bash sessions
This package will install a handler for command_not_found that looks up programs not currently installed but available from the repositories.

Installed size: 524 KB
How to install: sudo apt install command-not-found

command-not-found

root@kali:~# command-not-found -h
Usage: command-not-found [options] <command-name>

Options:
  --version             show program's version number and exit
  -h, --help            show this help message and exit
  -d DATA_DIR, --data-dir=DATA_DIR
                        use this path to locate data fields
  --ignore-installed, --ignore-installed
                        ignore local binaries and display the available
                        packages
  --no-failure-msg      don't print '<command-name>: command not found'

update-command-not-found

Update the command-not-found cache

root@kali:~# man update-command-not-found
update-com...-not-found(8)  Command not found helper update-com...-not-found(8)

NAME
     update-command-not-found - update the command-not-found cache

SYNOPSIS
     update-command-not-found [-h|--help|-n|--no-apt-file]

DESCRIPTION
     update-command-not-found  updates  the  cache (databases) for command-not-
     found using the files in /var/cache/apt/apt-file,  which  are  fetched  by
     apt-file.

OPTIONS
     -h or --help
            Print the help message

     -n or --no-apt-file
            Do not run apt-file update before updating the cache.

AUTHOR
     command-not-found  was  written  by  Zygmunt Krynicki, update-command-not-
     found was written by Julian Andres Klode <[email protected]>

     This manual page was written by Julian Andres Klode  <[email protected]>  for
     the Debian project, but may be used by others.

0.2.26-1                           2008-10-24        update-com...-not-found(8)