OVR file extension is for Overlay file
part of program to be loaded when needed
Similar to OVR
$DB - Temporary file
dBASE IV
$ED - Editor temporary file
MS C
$LN - TLink response file
Borland C++
$O1 - Pipe file
DOS
$VM - Virtual manager temporary file
Windows 3.x
&&& - Temporary file
)2( - LHA archiver temporary file
LHA
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