how to delete lines from audit files

hi all,
i have enabled audit in our server it is working fine,but now i want to reduce the space with out removing audit.i.e..i want to delete some lines from audit file. here if i use vi editer, audit is not geting up.

i want to delete the data i.e..logs for every 6 days in audit file

plz find the solution for it .

thank,
spandhan

can you pls provide an input and the desire output.
Regards

audit file is not plain text. Check praudit and auditreduce commands

hi
I want to delete the data i.e.. logs for every 6 days in audit file

can u please find the solution for is.