The hskills command will tell you which skills you have raised--through advancing, learning, or TMing--since you last logged on, and by how much. It will also tell you how much the bonuses have increased, if at all.
Using the command
There are two available syntaxes. The first way is to use the command by itself:
> hskills Recent skill changes during this session: Wed Apr 10 11:34:54 2013 [local] - faith.points increased by 1 level (and bonus 1) to level 482 (and bonus 427).
The second syntax is "
> hskills brief Recent skill changes during this session: 11:34:54 - fa.po increased by 1 level (1) to level 482 (427).