Content-type: text/html Manpage of TAR

TAR

Section: User Commands (1)
Updated: 09 November 1999
Index Return to Main Contents
 

NAME

tar - The GNU version of the tar archiving utility  

SYNOPSIS

tar [ - ] A --catenate --concatenate | c --create | d --diff --compare | r --append | t --list | u --update | x -extract --get [ --atime-preserve ] [ -b, --block-size N ] [ -B, --read-full-blocks ] [ -C, --directory DIR ] [ --checkpoint     ]
[ -f, --file [HOSTNAME:]F ] [ --force-local    ]
[ -F, --info-script F --new-volume-script F ] [ -G, --incremental ] [ -g, --listed-incremental F ] [ -h, --dereference ] [ -i, --ignore-zeros ] [ -I, --bzip ] [ --ignore-failed-read ] [ -k, --keep-old-files ] [ -K, --starting-file F ] [ -l, --one-file-system ] [ -L, --tape-length N ] [ -m, --modification-time ] [ -M, --multi-volume ] [ -N, --after-date DATE, --newer DATE ] [ -o, --old-archive, --portability ] [ -O, --to-stdout ] [ -p, --same-permissions, --preserve-permissions ] [ -P, --absolute-paths ] [ --preserve       ]
[ -R, --record-number ] [ --remove-files ] [ -s, --same-order, --preserve-order ] [ --same-owner ] [ -S, --sparse ] [ -T, --files-from F ] [ --null   ]
[ --totals         ]
[ -v, --verbose ] [ -V, --label NAME ] [ --version        ]
[ -w, --interactive, --confirmation ] [ -W, --verify     ]
[ --exclude FILE ] [ -X, --exclude-from FILE ] [ -Z, --compress, --uncompress ] [ -z, --gzip, --ungzip     ]
[ --use-compress-program PROG ] [ --block-compress ] [ -[0-7][lmh]      ]
filename1 [ filename2, ... filenameN ]
directory1 [ directory2, ...directoryN ]
 

DESCRIPTION

This manual page documents the GNU version of tar , an archiving program designed to store and extract files from an archive file known as a tarfile. A tarfile may be made on a tape drive, however, it is also common to write a tarfile to a normal file. The first argument to tar must be one of the options: Acdrtux, followed by any optional functions. The final arguments to tar are the names of the files or directories which should be archived. The use of a directory name always implies that the subdirectories below should be included in the archive.  

FUNCTION LETTERS

One of the following options must be used:
-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 /dev/rmt0)
--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)
-I, --bzip
filter the archive through bzip2
--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)


 

Index

NAME
SYNOPSIS
DESCRIPTION
FUNCTION LETTERS
OTHER OPTIONS

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Time: GMT, April 24, 2001