In case it really is nautilus:
$ apt-cache policy nautilus nautilus: Instalado: 1:3.26.3-0ubuntu4 Candidato: 1:3.26.3-0ubuntu4 Tabela de versão: *** 1:3.26.3-0ubuntu4 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status
In case it really is nautilus:
$ apt-cache policy nautilus archive. ubuntu. com/ubuntu bionic/main amd64 Packages dpkg/status
nautilus:
Instalado: 1:3.26.3-0ubuntu4
Candidato: 1:3.26.3-0ubuntu4
Tabela de versão:
*** 1:3.26.3-0ubuntu4 500
500 http://
100 /var/lib/