There is help regarding skills on the following topics:

Combat skills
combat	-	how good you are at armed combat
unarmed	-	how well you can fight unarmed
shieldbash	-	your ability to use a shield actively
Economical and trading skills
trading	-	can you get a good price in the shops
appraisal	-	how well you can estimate the value of something
economics	-	reduces your taxation
Miscellanious skills
perception	-	helps for searching and protection from backstabbing
check	-	how well you can estimate the strength of a monster
swim	-	your ability to carry equipment while swimming
Magical skills
resist	-	protection from magic and poison
channeling	-	need this to send spell points to another player
attune	-	need this to be able to use magic items
powerp	-	need this to charge magic items with power
runes	-	need this to be able to use magic runes
Subtefuge skills
bribery	-	how well you can bribe the tax collector
sneak	-	your ability to sneak from and into a room
hide	-	your ability to hide in a room
backstab	-	your ability to assassinate another living being
Commands regading skills
skillevels	-	list the max skill level allowed for particular levels
scost	-	cost (in experience) to raise a skill
raise	-	raise a skill level