Как проверить установленные пакеты в команде Linux
dpkg-query --list | grep -i nano
ii nano 2.9.3-2 amd64 small, friendly text editor inspired by Pico
Fragile Fish
dpkg-query --list | grep -i nano
ii nano 2.9.3-2 amd64 small, friendly text editor inspired by Picoapt list --installed | grep program_name