PCT file extension is for Macintosh black & white PICT1 or color PICT2 graphics file
Similar to PCT
$VM - Virtual manager temporary file
Windows 3.x
&&& - Temporary file
)2( - LHA archiver temporary file
LHA
.GP - Glue Geode Parameter File
.GP - Gofer
Project
0 - Compressed harddisk data
DoubleSpace
000 - Common filename extension
GEOS
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