apt-get update and apt-get dist-upgrade

[Christopher Chan]

> dist-upgrade
>             dist-upgrade in addition to performing the function of
> upgrade, also intelligently
>             handles changing dependencies with new versions of
> packages; apt-get has a "smart"
>             conflict resolution system, and it will attempt to upgrade
> the most important
>             packages at the expense of less important ones if
> necessary. So, dist-upgrade
>             command may remove some packages. The /etc/apt/sources.list
> file contains a list of
>             locations from which to retrieve desired package files. See
> also apt_preferences(5)
>             for a mechanism for overriding the general settings for
> individual packages.
>
> (dist-upgrade will upgrade INSTALLED packages and REMOVE some if
> necessary. That's why most people imply it to ONLY upgrade the distro.
> It can be used for ordinary upgrade TOO).
>

Oh okay. I guess that is why an apt-get upgrade needs doing a few more 
times sometimes then.