>Hi ! . Whenever I am trying to access VFP database in Novell env. with more then 20 nodes connected to server , my system (VFP program )
>behaves very - very slow and also i get junk in program.

Get the latest patches for the Novell client and ensure you have the latest patches for the server as well. Witch version of Netware are you using?

Here is a list some VFP/Novell issues.
http://stevenblack.com/webtalk/wc.dll?wiki~NovellVFPIssues

>is Vfp advisable in the env. for more then 10 user lan with hevy data trans.
>Please help to solve my problem.

Most certainly. Rick Strahl had a website with over 500,000 vfp hits per day.

For additional ideas take a look at the thread "Application slows to a crawl on network" on 1999/02/06