Buenas!.

Estoy viendo un vídeo tutorial sobre opciones del comando APT.

Estoy probando:


Por ejemplo en loquesea probé la palabra emulator


Las referencia encontradas no fueron muchas. Dando una salida así:
 

Cita: 
i A fuse-emulator-common                                                                                           - The Free Unix Spectrum Emulator (common files)                                                                           
i   fuse-emulator-gtk                                                                                              - The Free Unix Spectrum Emulator (GTK version)                                                                            
i   fuse-emulator-sdl                                                                                              - The Free Unix Spectrum Emulator (SDL version)                                                                            
i   fuse-emulator-utils                                                                                            - The Free Unix Spectrum Emulator - Utilities                                                                              
p   games-emulator                                                                                                 - Debian's emulators for games                                                                                             
p   google-android-emulator-installer                                                                              - download and install Google's Android emulator binary                                                                    
p   iisemulator                                                                                                    - Emulation for the IIS web server                                                                                         
p   luma.emulator-doc                                                                                              - doc for library provides a series of pseudo-display devices for luma.core                                                
v   msx-emulator                                                                                                   -                                                                                                                          
v   nes-emulator                                                                                                   -                                                                                                                          
p   osmose-emulator                                                                                                - Sega Master System and Game Gear console emulator                                                                        
p   python3-luma.emulator                                                                                          - library provides a series of pseudo-display devices for luma.core                                                        
p   slurm-client-emulator                                                                                          - SLURM client side commands for the emulator                                                                              
p   slurm-wlm-emulator                                                                                             - SLURM emulator                                                                                                           
v   x-terminal-emulator                                                                                            -                                                                                                                          
v   x-terminal-emulator:i386                                                                                       -                                                                      

En cambio con flatpak fue bastante extensa.


De todo..

Saludos