How to read last two records in .txt file in VB?

Hi ,

I am very new to VB. Actually i am Mainframe resouce and i got an oppertunity to write hummingbird programming scrip which is equal to VB.

As i have tight deadlines, i am not able to spend much time on learning VB. Hence i am looking for quick help.

I got a situation to read the last two records in .TXT file for some comparision logic. So,

Can you please help on how to read the last two records in .TXT file?
How to read specific record in .TXT file?
how to write the record in beginning of the .txt file every time that we write (Append at first line)

Thanks a lot in advance for your in-time help. Look fwd for your valuable response. Thanks!

Regards
Agasthya