ms=on solid archive = on Example 2 7z a -sfx archive.exe dir1Īdd all files from directory "dir1" to SFX archive archive.exe (Remark : SFX archive MUST end with ".exe") Example 3 7z a -mhe=on -pmy_password archive.7z a_directoryĪdd all files from directory "a_directory" to the archive "archive.7z" (with data and header archive encryption on) See Also 7za(1), 7zr(1), bzip2(1), gzip(1), zip(1) HTML Documentation Author Written for Debian by Mohammed Adnene Trojette. mfb=64 number of fast bytes for LZMA = 64 If you want to send files and directories (not the owner of file) to others Unix/MacOS/Windows users, you can use the 7-zip format.ĭo not use "-r" because this flag does not do what you think.ĭo not use directory/* because of ".*" files (example : "directory/*" does not match "directory/.profile")Įxample 1 7z a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1 adds all files from directory "dir1" to archive archive.7z using "ultra settings" to restore your backup : 7za x -so directory.tar.7z | tar xf. It provides high compression ratio and very fast decompression. Even old versions of 7-Zip can decompress archives created with LZMA method. LZMA Its base compression method for 7z format. On Linux/Unix, in order to backup directories you must use tar : - to backup a directory : tar cf - directory | 7za a -si directory.tar.7z File Manager / Plugins / 7-Zip / Add to Archive Dialog Box Here is a rough copy/paste of the compression method section: Method Description. ![]() Dont worry, you can easily install 7zip in Ubuntu. User stopped the process with control-C (or similar) Backup and limitationsĭO NOT USE the 7-zip format for backup purpose on Linux/Unix because : - 7-zip does Do you want to search for a command to open this file There is no command installed for 7-zip archive files. For example, some files cannot be read during compressing. m Type of archive (7z, zip, gzip, bzip2 or tar. l don't store symlinks store the files/directories they point to (CAUTION : the scanning stage can never end because of recursive symlinks like 'ln -s. X eXtract with full paths Switches Include eXclude archives Compression ratio in the new 7z format is 30-50% betterħz uses plugins to handle archives. ![]() Implements LZMA compression algorithm), ZIP, CAB, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB formats. ![]() ![]() 7-Zip is a file archiver with the highest compression ratio.
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