generated at
disk compression
RAM compression
Data compression
Disk fragmentation
Executable compression
Self-extracting archive
cramfs
e2compr
SquashFS
MDFAT (DoubleSpace)
BitFAT (DoubleSpace)
MDBPB (DoubleSpace)

googledisk compression
Google画像検索disk compression
Google定義検索 disk compression
wikipediadisk compression
weblio disk compression
kotobank disk compression
jisho disk compression