[GRASS5] newbie question, segment selection

[yu chen]

hello,
I have used MAPINFO products before.
1.  is it possible to select a segment of a road in the map of monitor?
2. is it possible to calculate a segment length in grass 5?


Best regards
chenyu

_________________________________________________________________
Tired of spam? Get advanced junk mail protection with MSN 8. 
http://join.msn.com/?page=features/junkmail