: Output is fully compatible with bzip2 v1.0.2 or newer, meaning files compressed with PBZIP2 can be opened by standard bzip2 tools.
Detailed documentation and usage can be found via the Ubuntu Manpages for PBZIP2 . Command Example pbzip2 filename Decompress a file pbzip2 -d filename.bz2 Set specific CPU cores pbzip2 -p4 filename (uses 4 cores) Keep original file pbzip2 -k filename Integrity test pbzip2 -t filename.bz2 Comparison: BZIP2 vs. PBZIP2 Threading Single-threaded Multi-threaded (Parallel) Speed Slower on large files Significantly faster on multi-core systems File Size Standard baseline Slightly larger (~0.2%–0.46%) due to splitting Standard Input Supports stdin/pipes SF PBzip
Historically limited, though some versions support redirection : Output is fully compatible with bzip2 v1
pbzip2 - parallel bzip2 file compressor, v1.1.9 - Ubuntu Manpages Common Commands : Achieves near-linear speedup based on
PBZIP2 is a multi-threaded version of the standard file compressor. It is designed to significantly speed up compression and decompression by utilizing multiple CPU cores simultaneously on SMP machines. Key Technical Features
: Users can manually set the number of processors using the -p switch and limit memory usage with the -m switch. Common Commands
: Achieves near-linear speedup based on the number of processors.