Linux bzip/bunzip2命令是.bz2文件的解壓縮程序。html
bunzip2可解壓縮.bz2格式的壓縮文件。bunzip2其實是bzip2的符號鏈接,執行bunzip2與bzip2 -d的效果相同。shell
usage: bzip2 [flags and input files in any order] -h --help print this message -d --decompress force decompression -z --compress force compression -k --keep keep (don't delete) input files -f --force overwrite existing output files -t --test test compressed file integrity -c --stdout output to standard out -q --quiet suppress noncritical error messages -v --verbose be verbose (a 2nd -v gives more) -L --license display software version & license -V --version display software version & license -s --small use less memory (at most 2500k) -1 .. -9 set block size to 100k .. 900k --fast alias for -1 --best alias for –9
壓縮文件: bzip2 -k messages 解壓文件: bunzip2 messages.bz2