To others Unix/MacOS/Windows users, you can use the 7-zip format.ĭo not use "-r" because this flag does not do what youĭo not use directory/* because of ".*" files (example : If you want to send files and directories (not the owner of file) to restore your backup : 7za x -so directory.tar.7z | tar xf. to backup a directory : tar cf - directory | 7za a -si directory.tar.7z On Linux/Unix, in order to backup directories you must use tar : 7-zip does not store the owner/group of the file. So they were not compressed 2 Fatal error 7 Bad command line parameters 8 Not enough memory for operation 255 User stopped the process with control-C (or similar) Backup and limitationsĭO NOT USE the 7-zip format for backup purpose on Linux/Unix For example, some files cannot be readĭuring compressing. ldir') -m Create volumes -u Update options -w Set Working directory Exclude filenames -y Assume Yes on all queries DIAGNOSTICSĠ Normal (no errors or warnings detected) 1 Warning (Non fatal error(s)). The scanning stage can never end because of recursive symlinks like 'ln -s FUNCTION LETTERS a Add d Delete e Extract l List t Test u Update x eXtract with full paths SWITCHES Include archives eXclude archives -bd Disable percentage indicator Include filenames -l don't store symlinks store the files/directories they point to (CAUTION : New 7z format is 30-50% better than ratio in ZIP format. Program supports 7z (that implements LZMA compression algorithm), ZIP, CAB,ĪRJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB formats. DESCRIPTIONħ-Zip is a file archiver with the highest compression ratio. 7z - A file archiver with highest compression ratio SYNOPSISħz.
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