Alert log file

How to see some selected lines in alert log file in unix environment.
like tail -100f alert_SID.log we can see only 100 lines but i need to see the lines between 300 to 500 from down .

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muthu5047
Profile Answers by muthu5047

Sep 3rd, 2011

Assuming you need lines 20 to 40,

sed -n '20,40p' file_name

or

awk 'FNR>=20 && FNR<=40' file

Hope it will help!