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{{From|https://help.ubuntu.com/community/FileCompression}}
{{From|https://help.ubuntu.com/community/FileCompression}}
{{Languages|UbuntuHelp:FileCompression}}
{{Languages|UbuntuHelp:FileCompression}}
Parent: AccessoriesApplications
Parent: [[UbuntuHelp:AccessoriesApplications|AccessoriesApplications]]
 
== File compression ==
 
 
Files can be compressed in a variety of formats. Some of these can be opened by Ubuntu automatically. Others can be handled if you install extra packages.
Files can be compressed in a variety of formats. Some of these can be opened by Ubuntu automatically. Others can be handled if you install extra packages.
=== Basic Archives ===
=== Basic Archives ===
[[Anchor(basic)]]
* Many archives can easily be opened using Archive Manager.
Many archives ( [[tar .tar]],[[targz .tar.gz]],[[zip .zip]] ) Can easily be opened simply by using Archive Manager.
* Right click an archive and select "Extract Here" to extract the files into the '''''current working directory'''''.
To open these formats, click on them with the right mouse button, and choose "Extract here". like this: <br>
* For more fine grained control choose 'Open with "Archive Manager" ' from the popup menu. <<BR>>
https://help.ubuntu.com/community/FileCompression?action=AttachFile&do=get&target=extracthere.jpg
https://help.ubuntu.com/community/FileCompression?action=AttachFile&do=get&target=extracthere.png
 
* Double clicking on an archive will open it with Archive Manager. This achieves the same thing as right clicking the archive and selecting 'Open with "Archive Manager" '.<<BR>>
Double-clicking on them will open the Archive Manager for other tasks.<br>
https://help.ubuntu.com/community/FileCompression?action=AttachFile&do=get&target=archivemanager2.png
https://help.ubuntu.com/community/FileCompression?action=AttachFile&do=get&target=archivemanager.jpg
For more complete information on supported formats and usage please see [[UbuntuHelp:ArchiveManager|Archive Manager]].
 
 
=== Non-archive formats ===
=== Non-archive formats ===
{|border="1" cellspacing="0"
|https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=info.png Archive Manager can open some formats that are not technically considered as archives.
|}
==== Debian installer packages (.deb) ====
* DEB files are actually programs that need to be installed.
* If you are using Ubuntu 6.06 Dapper Drake or higher, you can double click ''.deb'' files to install them.  You can also right click and select 'Open with GDebi Package Installer" '.
* https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=terminal.png [[UbuntuHelp:UsingTheTerminal|Command line installation]]
<ol><li>Open a terminal.
</li><li>Navigate to the directory containing the ''.deb'' file.
</li><li>Enter this command. Replace <filename.deb> with the name of the actual file you are installing.</li></ol>


These formats are not technically archives, but can be opened by Archive Manager:
<pre><nowiki>
 
sudo dpkg -i <filename.deb></nowiki></pre>  
==== Deb installer packages (.deb) ====
{|border="1" cellspacing="0"
These are actually programs that need to be installed. If you are using Ubuntu 6.06 Dapper Drake or higher you can double-click .deb files to install them. If not, open a terminal, go to the directory the .deb file is in by typing <code><nowiki>cd "DIRECTORYNAME"</nowiki></code>, and type <code><nowiki>sudo dpkg -i DEBNAME.deb</nowiki></code>. '''Warning: Installing programs from .debs can seriously damage your system.'''
| https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=warning.png Installing programs from untrustworthy sources can seriously damage your system. Manually installing programs may also cause dependency problems.
|}
==== CD Images (.iso) ====
==== CD Images (.iso) ====
These are images to be burned on to a cd. See [[UbuntuHelp:BurningIsoHowto]]
* ISO images are images to be burned on to a CD. See [[UbuntuHelp:BurningIsoHowto|BurningIsoHowto]] for further information on burning an ''.iso'' file.
* ISO images can also be mounted. See [[UbuntuHelp:MountIso|MountIso]] for more information.
==== Java Archives (.jar) ====
==== Java Archives (.jar) ====
These are java programs. See [[UbuntuHelp:Java]]
* JAR files are java programs. See [[UbuntuHelp:Java|Java]].
==== Firefox extensions (.xpi) ====
==== Firefox extensions (.xpi) ====
These are actually extensions for Mozilla Firefox. To install them, launch Firefox and choose Open File from the File menu. Choose the .xpi file and click ok. Firefox will then install the extension. '''Warning: Installing certain extensions may damage your Firefox profile'''
* XPI files are extensions for Mozilla Firefox.  
<ol><li>Launch Firefox and select '''File -> Open File'''.
</li><li>Select the ''.xpi'' file and press the "Open" button. Firefox will then install the extension.</li></ol>


{|border="1" cellspacing="0"
| https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=warning.png Installing certain extensions may damage your Firefox profile.
|}
=== Archive formats ===
=== Archive formats ===
==== 7zip (.7z) ====
==== 7zip (.7z) ====
 
Archive Manager supports the 7zip compression format.
7zip is a new type of free archive format.
* Install the package <code><nowiki>p7zip</nowiki></code> from the [[UbuntuHelp:AddingRepositoriesHowto|Universe repository]]. After installation of the package, Archive manager will handle 7z archives seamlessly.
 
* In order to support password-protected 7z archives, you need to install the <code><nowiki>p7zip-full</nowiki></code> package from the Universe repository.
Install the package <code><nowiki>p7zip</nowiki></code> from the Universe repository (AddingRepositoriesHowto).
 
To open these files in [[basic Archive Manager]] You need to tell Ubuntu how to deal with these files. Right-click on them and choose Properties. The 4th tab is Open With. Click on it and choose the Add button. Select the program <code><nowiki>Archive Manager</nowiki></code>. <br>
https://help.ubuntu.com/community/FileCompression?action=AttachFile&do=get&target=openwith.jpg
 
After this, you can use these files normally from [[basic Archive manager]]
 
==== Ace (.ace) ====
==== Ace (.ace) ====
ACE archives are relatively uncommon and are extracted using the 'unace' utility
* This uncommon format is extracted using the 'unace' utility.  Install <code><nowiki>unace</nowiki></code> from the [[UbuntuHelp:AddingRepositoriesHowto|Universe repository]].
 
* ACE archives are not supported by Archive Manager. You must open then from the command line.
To add support for it, install <code><nowiki>unace</nowiki></code> from the universe repository (AddingRepositoriesHowto).
https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=terminal.png <pre><nowiki>
 
unace x <filename>.ace
This cannot be used from [[basic Archive Manager]] so must be used on the command line. To extract .ace files, run the following command:
<pre><nowiki>
unace x file.ace
</nowiki></pre>
</nowiki></pre>
 
* If you encounter error messages, the file you are trying to decompress is too new for version of unace in repositories. Go to [http://www.winace.com the developer's site] and download "Unace for Linux". Extract the unace binary from the archive and replace your current version of unace.
If you encounter problems (like file compressed with unknown method), the file you are trying to decompress is too new for version of unace in repositories. Go to [http://www.winace.com their Download center] and grab their Unace for linux. Inside the archive you will find newer version of unace (no compiling needed) which can be safely used instead the version from repositories. To install this file run the command:
<pre><nowiki>
<pre><nowiki>
sudo mv /location/of/downloaded/unace /usr/local/bin/unace
sudo mv /location/of/new/unace /usr/local/bin/unace
</nowiki></pre>
</nowiki></pre>
==== Rar (.rar) ====
==== Rar (.rar) ====
 
* Rar is a non-free archive format created by Rarsoft. Version 3.0 is not supported by any free tools.  
Rar is a non-free archive format created by Rarsoft. There are several versions of rar and the newest version, 3.0, is not supported by any free tools.
* The free program <code><nowiki>unrar-free</nowiki></code>, supports rar up to Version 2.
 
* Package <code><nowiki>unrar-free</nowiki></code> is available in the [[UbuntuHelp:AddingRepositoriesHowto|Universe repository]].
To add support for it, install the <code><nowiki>unrar</nowiki></code> package from the multiverse repository (AddingRepositoriesHowto).
* To add support for rar version 3, install the <code><nowiki>unrar</nowiki></code> package from the [[UbuntuHelp:AddingRepositoriesHowto|Multiverse repository]].
 
===== Multi-volume .rar archives =====
===== Multi-volume .rar archives =====
To extract the contents of a multi-volume .rar archive, extract the first file in the archive.  Usually, the extension will be .rar, .r00, or .r01 (look for one of these in this order).
* To extract the contents of a multi-volume ''.rar'' archive, extract the first file in the archive.  Usually the extension will be ''.rar'', ''.r00'', or ''.r01''.  
 
[[Anchor(tar)]]
 
==== GNU Tar (.tar) ====
==== GNU Tar (.tar) ====
 
* The ''.tar'' archive is an old archive format made for tapes. TAR archives consist of files that are sequentially added to a single file.
 
* TAR archives can be extracted using Archive Manager.
The tar archive is an old archive format made for tapes which consist of files added to a single file, one after the other.
* TAR archives can also be extracted from the command line. See <code><nowiki>man tar</nowiki></code> for more information on command line usage.
 
These files can be extracted using the [[basic Archive Manager]]
 
==== GNU Tar GZ (.tar.gz .tgz) ====
==== GNU Tar GZ (.tar.gz .tgz) ====
 
* A Tar GZ archive is a gzip compressed ''.tar'' archive.
This archive is a [[tar tar]] archive, which has then been zipped using 'gzip' which is an open source zip utility.
* Tar GZ archives can be extracted with Archive Manager.
 
* Tar GZ archives can also be extracted from the command line. See <code><nowiki>man tar</nowiki></code> for more information on command line usage.
These files can be extracted using [[basic Archive Manager]]
[[Anchor(tarbz2)]]
==== GNU Tar bzip2 (.tar.bz2) ====
==== GNU Tar bzip2 (.tar.bz2) ====
 
* Tar BZ2 archives are bzip2 compressed ''.tar'' archives.
This archive is a [[tar tar]] archive, which has then been zipped using 'bzip2' which is an open source zip utility which results in smaller file sizes than [[targz gzip]] however uses more processing power.
{|border="1" cellspacing="0"
 
|https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=IconHint2.png Bzip2 compressed archives are smaller than gzip archives. The trade off is that bzip compression requires more processing power than gzip compression.  
These files can be extracted using the [[basic Archive Manager]]
|}
[[Anchor(zip)]]
* Tar BZ2 archives can be extracted with Archive Manager.
* Tar BZ2 archives can also be extracted from the command line. See <code><nowiki>man tar</nowiki></code> for more information on command line usage.
==== GNU Tar Compress (.tar.Z) ====
* A Tar Compress'd archive is a compress (.Z) compressed ''.tar'' archive.
* Tar Compress'd archives can be extracted with Archive Manager.
* Install the package <code><nowiki>ncompress</nowiki></code> from the [[UbuntuHelp:AddingRepositoriesHowto|Universe repository]]. After installation of the package, Archive manager will handle compress (.Z) archives seamlessly.
* Tar Compress'd archives can also be extracted from the command line (after you have installed the <code><nowiki>ncompress</nowiki></code> package). See <code><nowiki>man tar</nowiki></code> for more information on command line usage.
==== Zip (.zip) ====
==== Zip (.zip) ====
This is an older archive (and compression) format that originates with PKZip developed by Phil Katz in 1989. It has been in use with DOS and windows for many years.
* This is an older archive and compression format that originates with PKZip. It was developed by Phil Katz in 1989.  
 
* ZIP files can be extracted with Archive Manager.
These files can be extracted using the [[basic Archive Manager]]
 
 
=== Command Line Usage ===
=== Command Line Usage ===
Many of these utilities can be used on the command line, sometimes this is quicker or easier than using the [[basic Archive Manager]]
* https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=terminal.png Many of the above utilities can be used quickly and efficiently from the command line. This section will briefly cover common command line usage for these utilities. Replace <filename> with the name of your file.
 
* In most cases you can replace the filename with the complete path to the file.
{|border="1" cellspacing="0"
|https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=IconHint2.png Using a full path is useful when scripting.
|}
https://help.ubuntu.com/community/IconsPage?action=AttachFile&do=get&target=example.png <pre><nowiki>
  tar -czpf /home/me/somefile.tar.gz /path/to/files/to/be/archived</nowiki></pre>
==== Extracting a tar.bz2 file ====
==== Extracting a tar.bz2 file ====
 
* Extract <filename>tar.bz2 <pre><nowiki>
<pre><nowiki>
tar jxvf <filename>.tar.bz2
tar jxvf file.tar.bz2
</nowiki></pre>
</nowiki></pre>
This will show you what it extracts, and in most cases will be in a sub directory of <code><nowiki>file</nowiki></code>.
* This will show you what it extracts, and in most cases will create a directory named <filename>.
 
* To extract a <code><nowiki>tar.gz</nowiki></code>, simply put <code><nowiki>z</nowiki></code> in place of  <code><nowiki>j</nowiki></code> in the command line. For more information please refer to <code><nowiki>man tar</nowiki></code>.
To extract a <code><nowiki>tar.gz</nowiki></code>, simply put <code><nowiki>zxvf</nowiki></code> in place of  <code><nowiki>jcxf</nowiki></code> in the command line.
 
==== Creating a tar.bz2 file ====
==== Creating a tar.bz2 file ====
 
* <pre><nowiki>
<pre><nowiki>
tar jcvf <filename>.tar.bz2 dir1 dir2 file1 file2 ...
tar jcvf file.tar.bz2 dir1 dir2 ...
</nowiki></pre>
</nowiki></pre>
file.tar.bz2 is the name of the tar file we wish to create.  <code><nowiki>dir1</nowiki></code> and <code><nowiki>dir2</nowiki></code> are the names of the directories and/or files we wish to include in the tar.bz2 archive.
* <filename>.tar.bz2 is the name of the tar file we wish to create.  <code><nowiki>dir#</nowiki></code> and <code><nowiki>file#</nowiki></code> are the names of the directories or files we wish to include in the ''tar.bz2'' archive.
 
* To use gzip compression instead of bz2, simply put <code><nowiki>z</nowiki></code> in place of  <code><nowiki>j</nowiki></code> in the command line.
To use gzip compression instead of bz2, simply put <code><nowiki>zcvf</nowiki></code> in place of  <code><nowiki>jcvf</nowiki></code> in the command line
For more information please refer to <code><nowiki>man tar</nowiki></code>.
 
==== Rar ====
==== Rar ====
To extract a .rar file:
* Rar v3.0 archives require the use of <code><nowiki>unrar</nowiki></code>.
===== unrar-free =====
* Extract ''<filename>.rar'' <pre><nowiki>
unrar-free <filename>.rar
</nowiki></pre>
* If extracting fails with a message like the following, try the non-free version.
<pre><nowiki>
<pre><nowiki>
unrar x file.rar
Extracting  file1.ext Failed
Extracting  file2.ext Failed
2 Failed
</nowiki></pre>
===== unrar-nonfree =====
* Extract ''<filename>.rar'' <pre><nowiki>
unrar x <filename>.rar
</nowiki></pre>
</nowiki></pre>
==== zip and unzip ====
==== zip and unzip ====
To create a zip file containing <code><nowiki>dir1</nowiki></code>, <code><nowiki>dir2</nowiki></code>, ...:
* To create a zip file containing <code><nowiki>dir1</nowiki></code>, <code><nowiki>dir2</nowiki></code>, ... :
<pre><nowiki>
<pre><nowiki>
zip file.zip dir1 dir1 ...
zip <filename>.zip dir1 dir1 ...
</nowiki></pre>
</nowiki></pre>
 
* To extract <filename>.zip:
To extract <code><nowiki>file.zip</nowiki></code>:
<pre><nowiki>
<pre><nowiki>
unzip file.zip
unzip <filename>.zip
</nowiki></pre>
</nowiki></pre>
----
[[category:CategoryCommandLine]] [[category:CategoryBackupRecovery]]


[[category:UbuntuHelp]]
[[category:UbuntuHelp]]

2009年5月14日 (四) 15:59的最新版本

{{#ifexist: :FileCompression/zh | | {{#ifexist: FileCompression/zh | | {{#ifeq: {{#titleparts:FileCompression|1|-1|}} | zh | | }} }} }} {{#ifeq: {{#titleparts:FileCompression|1|-1|}} | zh | | }}

Parent: AccessoriesApplications

File compression

Files can be compressed in a variety of formats. Some of these can be opened by Ubuntu automatically. Others can be handled if you install extra packages.

Basic Archives

  • Many archives can easily be opened using Archive Manager.
  • Right click an archive and select "Extract Here" to extract the files into the current working directory.
  • For more fine grained control choose 'Open with "Archive Manager" ' from the popup menu. <
    >

FileCompression?action=AttachFile&do=get&target=extracthere.png

  • Double clicking on an archive will open it with Archive Manager. This achieves the same thing as right clicking the archive and selecting 'Open with "Archive Manager" '.<
    >

FileCompression?action=AttachFile&do=get&target=archivemanager2.png For more complete information on supported formats and usage please see Archive Manager.

Non-archive formats

IconsPage?action=AttachFile&do=get&target=info.png Archive Manager can open some formats that are not technically considered as archives.

Debian installer packages (.deb)

  • DEB files are actually programs that need to be installed.
  • If you are using Ubuntu 6.06 Dapper Drake or higher, you can double click .deb files to install them. You can also right click and select 'Open with GDebi Package Installer" '.
  • IconsPage?action=AttachFile&do=get&target=terminal.png Command line installation
  1. Open a terminal.
  2. Navigate to the directory containing the .deb file.
  3. Enter this command. Replace <filename.deb> with the name of the actual file you are installing.
sudo dpkg -i <filename.deb>
IconsPage?action=AttachFile&do=get&target=warning.png Installing programs from untrustworthy sources can seriously damage your system. Manually installing programs may also cause dependency problems.

CD Images (.iso)

  • ISO images are images to be burned on to a CD. See BurningIsoHowto for further information on burning an .iso file.
  • ISO images can also be mounted. See MountIso for more information.

Java Archives (.jar)

  • JAR files are java programs. See Java.

Firefox extensions (.xpi)

  • XPI files are extensions for Mozilla Firefox.
  1. Launch Firefox and select File -> Open File.
  2. Select the .xpi file and press the "Open" button. Firefox will then install the extension.
IconsPage?action=AttachFile&do=get&target=warning.png Installing certain extensions may damage your Firefox profile.

Archive formats

7zip (.7z)

Archive Manager supports the 7zip compression format.

  • Install the package p7zip from the Universe repository. After installation of the package, Archive manager will handle 7z archives seamlessly.
  • In order to support password-protected 7z archives, you need to install the p7zip-full package from the Universe repository.

Ace (.ace)

  • This uncommon format is extracted using the 'unace' utility. Install unace from the Universe repository.
  • ACE archives are not supported by Archive Manager. You must open then from the command line.

IconsPage?action=AttachFile&do=get&target=terminal.png

unace x <filename>.ace
  • If you encounter error messages, the file you are trying to decompress is too new for version of unace in repositories. Go to the developer's site and download "Unace for Linux". Extract the unace binary from the archive and replace your current version of unace.
sudo mv /location/of/new/unace /usr/local/bin/unace

Rar (.rar)

  • Rar is a non-free archive format created by Rarsoft. Version 3.0 is not supported by any free tools.
  • The free program unrar-free, supports rar up to Version 2.
  • Package unrar-free is available in the Universe repository.
  • To add support for rar version 3, install the unrar package from the Multiverse repository.
Multi-volume .rar archives
  • To extract the contents of a multi-volume .rar archive, extract the first file in the archive. Usually the extension will be .rar, .r00, or .r01.

GNU Tar (.tar)

  • The .tar archive is an old archive format made for tapes. TAR archives consist of files that are sequentially added to a single file.
  • TAR archives can be extracted using Archive Manager.
  • TAR archives can also be extracted from the command line. See man tar for more information on command line usage.

GNU Tar GZ (.tar.gz .tgz)

  • A Tar GZ archive is a gzip compressed .tar archive.
  • Tar GZ archives can be extracted with Archive Manager.
  • Tar GZ archives can also be extracted from the command line. See man tar for more information on command line usage.

GNU Tar bzip2 (.tar.bz2)

  • Tar BZ2 archives are bzip2 compressed .tar archives.
IconsPage?action=AttachFile&do=get&target=IconHint2.png Bzip2 compressed archives are smaller than gzip archives. The trade off is that bzip compression requires more processing power than gzip compression.
  • Tar BZ2 archives can be extracted with Archive Manager.
  • Tar BZ2 archives can also be extracted from the command line. See man tar for more information on command line usage.

GNU Tar Compress (.tar.Z)

  • A Tar Compress'd archive is a compress (.Z) compressed .tar archive.
  • Tar Compress'd archives can be extracted with Archive Manager.
  • Install the package ncompress from the Universe repository. After installation of the package, Archive manager will handle compress (.Z) archives seamlessly.
  • Tar Compress'd archives can also be extracted from the command line (after you have installed the ncompress package). See man tar for more information on command line usage.

Zip (.zip)

  • This is an older archive and compression format that originates with PKZip. It was developed by Phil Katz in 1989.
  • ZIP files can be extracted with Archive Manager.

Command Line Usage

  • IconsPage?action=AttachFile&do=get&target=terminal.png Many of the above utilities can be used quickly and efficiently from the command line. This section will briefly cover common command line usage for these utilities. Replace <filename> with the name of your file.
  • In most cases you can replace the filename with the complete path to the file.
IconsPage?action=AttachFile&do=get&target=IconHint2.png Using a full path is useful when scripting.

IconsPage?action=AttachFile&do=get&target=example.png

  tar -czpf /home/me/somefile.tar.gz /path/to/files/to/be/archived

Extracting a tar.bz2 file

  • Extract <filename>tar.bz2

tar jxvf <filename>.tar.bz2

  • This will show you what it extracts, and in most cases will create a directory named <filename>.
  • To extract a tar.gz, simply put z in place of j in the command line. For more information please refer to man tar.

Creating a tar.bz2 file

tar jcvf <filename>.tar.bz2 dir1 dir2 file1 file2 ...

  • <filename>.tar.bz2 is the name of the tar file we wish to create. dir# and file# are the names of the directories or files we wish to include in the tar.bz2 archive.
  • To use gzip compression instead of bz2, simply put z in place of j in the command line.

For more information please refer to man tar.

Rar

  • Rar v3.0 archives require the use of unrar.
unrar-free
  • Extract <filename>.rar

unrar-free <filename>.rar

  • If extracting fails with a message like the following, try the non-free version.
Extracting  file1.ext Failed
Extracting  file2.ext Failed
2 Failed
unrar-nonfree
  • Extract <filename>.rar

unrar x <filename>.rar

zip and unzip

  • To create a zip file containing dir1, dir2, ... :
zip <filename>.zip dir1 dir1 ...
  • To extract <filename>.zip:
unzip <filename>.zip