The description of qpress - Play With New Friends
qpress is a portable file archiver using QuickLZ and designed to utilize fast storage systems to their max. It's often faster than file copy because the destination is smaller than the source. It supports:multiple cores, reaching upto 1.1 Gbyte/s in-memory compression on a quad core Xeon64-bit file sizes and tested with terabyte sized archives containing millions of files and directoriespipes and redirection and *nix-like behaviour for scripting and flexibilityAdler32 checksums to ensure that decompressed data has not been corrupteddata recovery of damaged archives with 64 Kbyte grannularityunbuffered disk I/O (Windows only) to prevent disk cache of other applications from being flushed
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