Hi all

in the network\Admin directory my Oracle home directory
we have the listener ,sqlnet and tnsnames.ora files together with these we do have a lot of files with names like

listener98062411PM2545.bak
listener9807228AM0120.bak

tnsnames98060810AM2548.bak
tnsnames9806197AM3316.bak

sqlnet98062612AM3319.bak
sqlnet9807228AM0120.bak

Waht are these files? are these required for database operation ? can i delete then ?

Sorry to take your time ?

Thanks