tar

Name

tar -- file archiver

Description

The specification for "tar" is as specified in the SUS but with the following differences as listed below.

Differences

-A, --catenate, --concatenate

append tar files to an archive

--create

Equivalent to the -c option

-d, --diff, --compare

find differences between archive and file system

--delete

delete from the archive (not for use on mag tapes!)

--apend

Equivalent to the -r option.

--list

Equivalent to the the -t option

--update

Equivalent to the -u option

--extract, --get

extract files from an archive

--atime-preserve

don't change access times on dumped files

--block-size N

Equivalent to the -b option

-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 "-", meaning stdin/stdout).

--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- incremental backup

-g, --listed-incremental F

create/list/extract new GNU- 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)

--bzip2

filter archive through bzip2, use to decompress .bz2 files

--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

--modification-time

Equivalent to the -m option

-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 archive, rather than ANSI . Note that for the -o option the behaviour is different than what is specified in the SUSv2

-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

Equvilent to -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

--verbose

Equivalent to the -v option

-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