18 Tar Command Examples in Linux

FROM: http://www.tecmint.com/18-tar-command-examples-in-linux/

18 Tar Command Examples in Linux

By Ravi Saive Under: CentOS, Fedora, Linux Commands, Linux Distros, RedHat On: September 15, 2012

The Linux “tar” stands for tape archive, which is used by large number of Linux/Unix system administrators to deal with tape drives backup. The tar command used to rip a collection of files and directories into highly compressed archive file commonly called tarball or tar, gzip and bzip in Linux. The tar is most widely used command to create compressed archive files and that can be moved easily from one disk to anther disk or machine to machine.

Linux Tar Command Examples

In this article we will going to review and discuss various tar command examples including how to create archive files using (tar, tar.gz and tar.bz2)
compression, how to extract archive file, extract a single file, view
content of file, verify a file, add files or directories to archive
file, estimate the size of tar archive file, etc.

The main purpose of this guide is to provide various tar command examples that might be helpful you to understand and become expert in tar archive manipulation.

1. Create tar Archive File

The below example command will create a tar archive file tecmint-14-09-12.tar for a directory /home/tecmint in current working directory. See the example command in action.

# tar -cvf tecmint-14-09-12.tar /home/tecmint/

/home/tecmint/
/home/tecmint/cleanfiles.sh
/home/tecmint/openvpn-2.1.4.tar.gz
/home/tecmint/tecmint-14-09-12.tar
/home/tecmint/phpmyadmin-2.11.11.3-1.el5.rf.noarch.rpm
/home/tecmint/rpmforge-release-0.5.2-2.el5.rf.i386.rpm

Let’s discuss the each option we have used in the above command for creating tar archive file.

1. c – Creates a new .tar archive file.
2. v – Verbosely show the .tar file progress.
3. f – File name type of the archive file.

2. Create tar.gz Archive File

To create a compressed gzip archive file we use the option as z. For example the below command will create a compressed MyImages-14-09-12.tar.gz file for the directory /home/MyImages. (Note : tar.gz and tgz both are similar).

# tar cvzf MyImages-14-09-12.tar.gz /home/MyImages
OR
# tar cvzf MyImages-14-09-12.tgz /home/MyImages

/home/MyImages/
/home/MyImages/Sara-Khan-and-model-Priyanka-Shah.jpg
/home/MyImages/RobertKristenviolent101201.jpg
/home/MyImages/Justintimerlakenaked101125.jpg
/home/MyImages/Mileynudephoto101203.jpg
/home/MyImages/JenniferRobert101130.jpg
/home/MyImages/katrinabarbiedoll231110.jpg
/home/MyImages/the-japanese-wife-press-conference.jpg
/home/MyImages/ReesewitherspoonCIA101202.jpg
/home/MyImages/yanaguptabaresf231110.jpg

3. Create tar.bz2 Archive File

The bz2 feature compress and create archive file less than the size of the gzip. The bz2 compression takes more time to compress and decompress files as compared to gzip which takes less time. To create highly compressed tar file we use option as j. The following example of command will create a Phpfiles-org.tar.bz2 file for a directory /home/php. (Note: tar.bz2 and tbz is similar as tb2).

# tar cvfj Phpfiles-org.tar.bz2 /home/php
OR
# tar cvfj Phpfiles-org.tar.tbz /home/php
OR
# tar cvfj Phpfiles-org.tar.tb2 /home/php

/home/php/
/home/php/iframe_ew.php
/home/php/videos_all.php
/home/php/rss.php
/home/php/index.php
/home/php/vendor.php
/home/php/video_title.php
/home/php/report.php
/home/php/object.html
/home/php/video.php

4. Untar tar Archive File

To untar or extract a tar file, just issue following command using option x (extract). For example the below command will untar the file public_html-14-09-12.tar in present working directory. If you want untar in a different directory then use option as -C (specified directory).

## Untar files in Current Directory ##
# tar -xvf public_html-14-09-12.tar

## Untar files in specified Directory ##
# tar -xvf public_html-14-09-12.tar -C /home/public_html/videos/

/home/public_html/videos/
/home/public_html/videos/views.php
/home/public_html/videos/index.php
/home/public_html/videos/logout.php
/home/public_html/videos/all_categories.php
/home/public_html/videos/feeds.xml

5. Uncompress tar.gz Archive File

To Uncompress tar.gz archive file, just run following command. If would like to untar in different directory just use option -C and the path of the directory,  like we shown in the above example.

# tar -xvf thumbnails-14-09-12.tar.gz

/home/public_html/videos/thumbnails/
/home/public_html/videos/thumbnails/katdeepika231110.jpg
/home/public_html/videos/thumbnails/katrinabarbiedoll231110.jpg
/home/public_html/videos/thumbnails/onceuponatime101125.jpg
/home/public_html/videos/thumbnails/playbutton.png
/home/public_html/videos/thumbnails/ReesewitherspoonCIA101202.jpg
/home/public_html/videos/thumbnails/snagItNarration.jpg
/home/public_html/videos/thumbnails/Minissha-Lamba.jpg
/home/public_html/videos/thumbnails/Lindsaydance101201.jpg
/home/public_html/videos/thumbnails/Mileynudephoto101203.jpg

6. Uncompress tar.bz2 Archive File

To Uncompress highly compressed tar.bz2 file, just use the following command. The below example command will untar all the .flv files from the archive file.

# tar -xvf videos-14-09-12.tar.bz2

/home/public_html/videos/flv/katrinabarbiedoll231110.flv
/home/public_html/videos/flv/BrookmuellerCIA101125.flv
/home/public_html/videos/flv/dollybackinbb4101125.flv
/home/public_html/videos/flv/JenniferRobert101130.flv
/home/public_html/videos/flv/JustinAwardmovie101125.flv
/home/public_html/videos/flv/Lakme-Fashion-Week.flv
/home/public_html/videos/flv/Mileynudephoto101203.flv
/home/public_html/videos/flv/Minissha-Lamba.flv

7. List Content of tar Archive File

To list the content of tar archive file, just run the following command with option t (list content). The below command will list the content of uploadprogress.tar file.

# tar -tvf uploadprogress.tar

-rw-r--r-- chregu/staff   2276 2011-08-15 18:51:10 package2.xml
-rw-r--r-- chregu/staff   7877 2011-08-15 18:51:10 uploadprogress/examples/index.php
-rw-r--r-- chregu/staff   1685 2011-08-15 18:51:10 uploadprogress/examples/server.php
-rw-r--r-- chregu/staff   1697 2011-08-15 18:51:10 uploadprogress/examples/info.php
-rw-r--r-- chregu/staff    367 2011-08-15 18:51:10 uploadprogress/config.m4
-rw-r--r-- chregu/staff    303 2011-08-15 18:51:10 uploadprogress/config.w32
-rw-r--r-- chregu/staff   3563 2011-08-15 18:51:10 uploadprogress/php_uploadprogress.h
-rw-r--r-- chregu/staff  15433 2011-08-15 18:51:10 uploadprogress/uploadprogress.c
-rw-r--r-- chregu/staff   1433 2011-08-15 18:51:10 package.xml

8. List Content tar.gz Archive File

Use the following command to list the content of tar.gz file.

# tar -tvf staging.tecmint.com.tar.gz

-rw-r--r-- root/root         0 2012-08-30 04:03:57 staging.tecmint.com-access_log
-rw-r--r-- root/root       587 2012-08-29 18:35:12 staging.tecmint.com-access_log.1
-rw-r--r-- root/root       156 2012-01-21 07:17:56 staging.tecmint.com-access_log.2
-rw-r--r-- root/root       156 2011-12-21 11:30:56 staging.tecmint.com-access_log.3
-rw-r--r-- root/root       156 2011-11-20 17:28:24 staging.tecmint.com-access_log.4
-rw-r--r-- root/root         0 2012-08-30 04:03:57 staging.tecmint.com-error_log
-rw-r--r-- root/root      3981 2012-08-29 18:35:12 staging.tecmint.com-error_log.1
-rw-r--r-- root/root       211 2012-01-21 07:17:56 staging.tecmint.com-error_log.2
-rw-r--r-- root/root       211 2011-12-21 11:30:56 staging.tecmint.com-error_log.3
-rw-r--r-- root/root       211 2011-11-20 17:28:24 staging.tecmint.com-error_log.4

9. List Content tar.bz2 Archive File

To list the content of tar.bz2 file, issue the following command.

# tar -tvf Phpfiles-org.tar.bz2

drwxr-xr-x root/root         0 2012-09-15 03:06:08 /home/php/
-rw-r--r-- root/root      1751 2012-09-15 03:06:08 /home/php/iframe_ew.php
-rw-r--r-- root/root     11220 2012-09-15 03:06:08 /home/php/videos_all.php
-rw-r--r-- root/root      2152 2012-09-15 03:06:08 /home/php/rss.php
-rw-r--r-- root/root      3021 2012-09-15 03:06:08 /home/php/index.php
-rw-r--r-- root/root      2554 2012-09-15 03:06:08 /home/php/vendor.php
-rw-r--r-- root/root       406 2012-09-15 03:06:08 /home/php/video_title.php
-rw-r--r-- root/root      4116 2012-09-15 03:06:08 /home/php/report.php
-rw-r--r-- root/root      1273 2012-09-15 03:06:08 /home/php/object.html

10. Untar Single file from tar File

To extract a single file called cleanfiles.sh from cleanfiles.sh.tar use the following command.

# tar -xvf cleanfiles.sh.tar cleanfiles.sh
OR
# tar --extract --file=cleanfiles.sh.tar cleanfiles.sh

cleanfiles.sh

11. Untar Single file from tar.gz File

To extract a single file tecmintbackup.xml from tecmintbackup.tar.gz archive file, use the command as follows.

# tar -zxvf tecmintbackup.tar.gz tecmintbackup.xml
OR
# tar --extract --file=tecmintbackup.tar.gz tecmintbackup.xml

tecmintbackup.xml

12. Untar Single file from tar.bz2 File

To extract a single file called index.php from the file Phpfiles-org.tar.bz2 use the following option.

# tar -jxvf Phpfiles-org.tar.bz2 home/php/index.php
OR
# tar --extract --file=Phpfiles-org.tar.bz2 /home/php/index.php

/home/php/index.php

13. Untar Multiple files from tar, tar.gz and tar.bz2 File

To extract or untar multiple files from the tar, tar.gz and tar.bz2 archive file. For example the below command will extract “file 1” “file 2” from the archive files.

# tar -xvf tecmint-14-09-12.tar "file 1" "file 2" 

# tar -zxvf MyImages-14-09-12.tar.gz "file 1" "file 2" 

# tar -jxvf Phpfiles-org.tar.bz2 "file 1" "file 2"

14. Extract Group of Files using Wildcard

To extract a group of files we use wildcard based extracting. For example, to extract a group of all files whose pattern begins with .php from a tar, tar.gz and tar.bz2 archive file.

# tar -xvf Phpfiles-org.tar --wildcards '*.php'

# tar -zxvf Phpfiles-org.tar.gz --wildcards '*.php'

# tar -jxvf Phpfiles-org.tar.bz2 --wildcards '*.php'

/home/php/iframe_ew.php
/home/php/videos_all.php
/home/php/rss.php
/home/php/index.php
/home/php/vendor.php
/home/php/video_title.php
/home/php/report.php
/home/php/video.php

15. Add Files or Directories to tar Archive File

To add files or directories to existing tar archived file we use the option r (append). For example we add file xyz.txt and directory php to existing tecmint-14-09-12.tar archive file.

# tar -rvf tecmint-14-09-12.tar xyz.txt

# tar -rvf tecmint-14-09-12.tar php

drwxr-xr-x root/root         0 2012-09-15 02:24:21 home/tecmint/
-rw-r--r-- root/root  15740615 2012-09-15 02:23:42 home/tecmint/cleanfiles.sh
-rw-r--r-- root/root    863726 2012-09-15 02:23:41 home/tecmint/openvpn-2.1.4.tar.gz
-rw-r--r-- root/root  21063680 2012-09-15 02:24:21 home/tecmint/tecmint-14-09-12.tar
-rw-r--r-- root/root   4437600 2012-09-15 02:23:41 home/tecmint/phpmyadmin-2.11.11.3-1.el5.rf.noarch.rpm
-rw-r--r-- root/root     12680 2012-09-15 02:23:41 home/tecmint/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
-rw-r--r-- root/root 0 2012-08-18 19:11:04 xyz.txt
drwxr-xr-x root/root 0 2012-09-15 03:06:08 php/
-rw-r--r-- root/root 1751 2012-09-15 03:06:08 php/iframe_ew.php
-rw-r--r-- root/root 11220 2012-09-15 03:06:08 php/videos_all.php
-rw-r--r-- root/root 2152 2012-09-15 03:06:08 php/rss.php
-rw-r--r-- root/root 3021 2012-09-15 03:06:08 php/index.php
-rw-r--r-- root/root 2554 2012-09-15 03:06:08 php/vendor.php
-rw-r--r-- root/root 406 2012-09-15 03:06:08 php/video_title.php

16. Add Files or Directories to tar.gz and tar.bz2 files

The tar command don’t have a option to add files or directories to a existing compressed tar.gz and tar.bz2 archive file. If we do try will get tbe following error.

# tar -rvf MyImages-14-09-12.tar.gz xyz.txt

# tar -rvf Phpfiles-org.tar.bz2 xyz.txt

tar: This does not look like a tar archive
tar: Skipping to next header
xyz.txt
tar: Error exit delayed from previous errors

17. How To Verify tar, tar.gz and tar.bz2 Archive File

To verfify any tar or compressed archived file we use option as W (verify). To do, just use the following examples of command. (Note : You cannot do verification on a compressed ( *.tar.gz, *.tar.bz2 ) archive file).

# tar tvfW tecmint-14-09-12.tar

tar: This does not look like a tar archive
tar: Skipping to next header
tar: Archive contains obsolescent base-64 headers
tar: VERIFY FAILURE: 30740 invalid headers detected
Verify -rw-r--r-- root/root    863726 2012-09-15 02:23:41 /home/tecmint/openvpn-2.1.4.tar.gz
Verify -rw-r--r-- root/root  21063680 2012-09-15 02:24:21 /home/tecmint/tecmint-14-09-12.tar
tar: /home/tecmint/tecmint-14-09-12.tar: Warning: Cannot stat: No such file or directory
Verify -rw-r--r-- root/root   4437600 2012-09-15 02:23:41 home/tecmint/phpmyadmin-2.11.11.3-1.el5.rf.noarch.rpm
tar: /home/tecmint/phpmyadmin-2.11.11.3-1.el5.rf.noarch.rpm: Warning: Cannot stat: No such file or directory
Verify -rw-r--r-- root/root     12680 2012-09-15 02:23:41 home/tecmint/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
tar: /home/tecmint/rpmforge-release-0.5.2-2.el5.rf.i386.rpm: Warning: Cannot stat: No such file or directory
Verify -rw-r--r-- root/root         0 2012-08-18 19:11:04 xyz.txt
Verify drwxr-xr-x root/root         0 2012-09-15 03:06:08 php/

18. Check the Size of the tar, tar.gz and tar.bz2 Archive File

To check the size of any tar, tar.gz and tar.bz2 archive file, use the following command. For example the below command will display the size of archvie file in Kilobytes (KB).

# tar -czf - tecmint-14-09-12.tar | wc -c
12820480

# tar -czf - MyImages-14-09-12.tar.gz | wc -c
112640

# tar -czf - Phpfiles-org.tar.bz2 | wc -c
20480

Tar Usage and Options

1. c – create a archive file.
2. x – extract a archive file.
3. v – show the progress of archive file.
4. f – filename of archive file.
5. t – viewing content of archive file.
6. j – filter archive through bzip2.
7. z – filter archive through gzip.
8. r – append or update files or directories to existing archive file.
9. W – Verify a archive file.
10. wildcards – Specify patters in unix tar command.

That’s it for now, hope the above tar command examples are enough for you to learn and for more information please use man tar command. If we’ve missed any example please do share with us via comment box and please don’t forget to share this article with your friends. This is the best way to say thanks…..

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14 Responses

1. Rajkumar.m

   September 18, 2012 at 10:30 am

   Very Helpfull

   Reply
2. Miguel Mateos

   December 18, 2012 at 7:41 am

   I found this article very helpful, especially item #16. Thank you!

   Reply
3. Zakaria

   February 12, 2013 at 10:26 am

   Brilliant

   Reply
4. flatcap

   February 12, 2013 at 4:55 pm

   The examples in section 13 won’t work as you suggest.
   You haven’t escaped the spaces in the filenames, so tar will try to add three files:
   “file”, “1″, “file” (again) and “2″.
   I suggest changing the example to use “file1″ and “file2″.

   Reply
   • Ravi Saive

     February 12, 2013 at 6:38 pm

     Thanks for pointing out, corrected as you suggested.

     Reply
5. pen

   February 12, 2013 at 5:12 pm

   Excellent tips, one more for the road: How to copy a directory structure

   # tar -cf – olddir | ( cd newdir; tar xvf – )

   Reply
   • John Lauro

     February 12, 2013 at 7:50 pm

     That is handy, and often times faster than cp -r. Taking it one step further…

     tar -cf – dir | ssh user@remotehost “cd /newparent ; tar xvf -”

     rsync is faster keeping directories in sync, but tar is much faster the first time, especially with lots of small files.

     or to go the other way, and clone a directory from remote to local:
     ssh user@remotehost “cd /parent ; tar cf – dir” | tar xf -

     Reply
6. Christopher

   February 12, 2013 at 9:26 pm

   Number
   18 does not do what you say it does. You say that it displays the size
   of an archive file in kilobytes, but what it actually does is creates a
   new gzip-compressed archive file (to an unnamed pipe) containing a
   single file (the archive file that you are supposedly “checking”) and
   displays the size of that new archive file in bytes (not in kilobytes).

   Here’s an easier and faster way to display the size of an archive file (or any other type of file) in kilobytes:

   ls -lk archive.tar
   ls -lk archive.tar.gz
   ls -lk archive.tar.bz2

   (The -k option is not standard but is supported by at least the Linux and BSD versions of ls.)

   Reply
7. pablo7

   February 12, 2013 at 9:39 pm

   Don’t you need to add the “j” option to extract the bzipped tar file in example 6? I get errors when I don’t.

   Thanks for the all the examples. I wish more were included in manpages.

   Reply
   • Christopher

     February 13, 2013 at 1:41 am

     Some
     versions of tar will detect the compression type and will automatically
     decompress it with the correct program (gzip or bzip2). Others will
     always assume it’s a regular, uncompressed tar file unless you pass it a
     “z” or “j” option. Some older versions of GNU tar even used the “I”
     (capital i) instead of “j” for bzip2 compression, and this is mentioned
     in the man page. The most portable method (I believe) is to decompress
     the file and pipe it directly to tar for extraction/listing:

     zcat archive.tgz | tar -xf -
     bzcat archive.tbz | tar -xf -

     Reply
8. Abdul

   February 20, 2013 at 11:35 am

   how about excluding some files and directories and ignoring files or directories when backing-up.

   Reply
9. Ivan

   April 12, 2013 at 11:56 pm

   Any way to exclude a folder or subfoler or file with tar itself. (other than changing it’s chmod to 666)

   Reply
   • Ravi Saive

     April 13, 2013 at 1:59 pm

     The
     tar command has options to exclude certain files. For example to
     exclude file ‘abc’ and ‘xyz’ you can use use the command as follows.

     $ tar -zcvf /home/tecmint.tar.gz --exclude='abc' --exclude='xyz' /home/tecmint
     

     Reply
10. Volka Racho

    July 3, 2013 at 12:51 pm

    Is there a way to resume a tar extract for a large file which was interupted due to script time out from the apache webserver?

    Reply