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- This is GNU tar, the tape archiving program.
- choose one of the following:
- -A, --catenate,
- --concatenate append tar files to an archive
- -c, --create create a new archive
- -d, --diff,
- --compare find differences between archive and file system
- --delete delete from the archive (not for use on mag tapes!)
- -r, --append append files to the end of an archive
- -t, --list list the contents of an archive
- -u, --update only append files that are newer than copy in archive
- -x, --extract,
- --get extract files from an archive
- Other options:
- --atime-preserve don't change access times on dumped files
- -b, --block-size N block size of Nx512 bytes (default N=20)
- -B, --read-full-blocks reblock as we read (for reading 4.2BSD pipes)
- -C, --directory DIR change to directory DIR
- --checkpoint print directory names while reading the archive
- -f, --file [HOSTNAME:]F use archive file or device F (default tar.out)
- --force-local archive file is local even if has a colon
- -F, --info-script F
- --new-volume-script F run script at end of each tape (implies -M)
- -G, --incremental create/list/extract old GNU-format incremental backup
- -g, --listed-incremental F create/list/extract new GNU-format incremental backup
- -h, --dereference don't dump symlinks; dump the files they point to
- -i, --ignore-zeros ignore blocks of zeros in archive (normally mean EOF)
- --ignore-failed-read don't exit with non-zero status on unreadable files
- -k, --keep-old-files keep existing files; don't overwrite them from archive
- -K, --starting-file F begin at file F in the archive
- -l, --one-file-system stay in local file system when creating an archive
- -L, --tape-length N change tapes after writing N*1024 bytes
- -m, --modification-time don't extract file modified time
- -M, --multi-volume create/list/extract multi-volume archive
- -N, --after-date DATE,
- --newer DATE only store files newer than DATE
- -o, --old-archive,
- --portability write a V7 format archive, rather than ANSI format
- -O, --to-stdout extract files to standard output
- -p, --same-permissions,
- --preserve-permissions extract all protection information
- -P, --absolute-paths don't strip leading `/'s from file names
- --preserve like -p -s
- -R, --record-number show record number within archive with each message
- --remove-files remove files after adding them to the archive
- -s, --same-order,
- --preserve-order list of names to extract is sorted to match archive
- --same-owner create extracted files with the same ownership
- -S, --sparse handle sparse files efficiently
- -T, --files-from F get names to extract or create from file F
- --null -T reads null-terminated names, disable -C
- --totals print total bytes written with --create
- -v, --verbose verbosely list files processed
- -V, --label NAME create archive with volume name NAME
- --version print tar program version number
- -w, --interactive,
- --confirmation ask for confirmation for every action
- -W, --verify attempt to verify the archive after writing it
- --exclude FILE exclude file FILE
- -X, --exclude-from FILE exclude files listed in FILE
- -Z, --compress,
- --uncompress filter the archive through compress
- -z, --gzip,
- --ungzip filter the archive through gzip
- --use-compress-program PROG
- filter the archive through PROG (which must accept -d)
- --block-compress block the output of compression program for tapes
- -[0-7][lmh] specify drive and density
-