 | UPXA versatile executable packer |
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UPX Description
A versatile executable packer UPX is a versatile executable packer. Here are some key features of "UPX": · excellent compression ratio: typically compresses better than WinZip/zip/gzip, use UPX to decrease the size of your distribution ! · very fast decompression: ~10 MB/sec on an ancient Pentium 133, ~200 MB/sec on an Athlon XP 2000 . · no memory overhead for your compressed executables because of in-place decompression. · safe: you can list, test and unpack your executables. Also, a checksum of both the compressed and uncompressed file is maintained internally. universal: UPX can pack a number of executable formats: · atari/tos · djgpp2/coff · dos/com · dos/exe · dos/sys · linux/386 · rtm32/pe · tmt/adam · watcom/le (supporting DOS4G, PMODE/W, DOS32a and CauseWay) · win32/pe · portable: UPX is written in portable endian-neutral C · extendable: because of the class layout it's very easy to add new executable formats or new compression algorithms · free: UPX is distributed with full source code under the GNU General Public License, and may be used freely even with commercial programs. What's New in This Release: · optional LZMA compression · support for BSD systems
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