Upgrades installed packages to their most recent version, removing or installing packages as necessary. This command is less conservative
than safe-upgrade and thus more likely to perform unwanted actions. However, it is capable of upgrading packages that safe-upgrade cannot
I totally agree.
I'm very pleased that someone is reading the "man aptitude"...That is the way to learn..Congratulations fmsam, great contribution to the community..
By the way, did you like reading the "man aptitude"?..See how easy it is..Now you learned a lot and know all options to aptitude..