TAR (Tape ARchive) is both a file format (in the form of a type of archive bitstream) and the name of a program used to handle such files. The format was created in the early days of Unix and standardized by POSIX.1-1988 and later POSIX.1-2001.
Initially developed to write data to sequential I/O devices for tape backup purposes, tar is now commonly used to collect many files into one larger file for distribution or archiving, while preserving file system information such as user and group permissions, dates, and directory structures.
A tar archive consists of a series of file objects. Each file object includes any file data, and is preceded by a 512-byte header record. The file data is written unaltered except that its length is rounded up to a multiple of 512 bytes. The original tar implementation did not care about the padding and left the buffer unaltered, but most modern tar implementations fill the extra space with zeros. The end of an archive is marked by at least two consecutive zero-filled records. (The origin of tar's record size appears to be the 512-byte disk sectors used in the Version 7 Unix file system.) The final block of an archive is padded out to full length with zeros.
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The tar format continues to be used extensively in Unix, Linux and OS X. Linux versions use features prominently in various software distributions, with most software source code made available in .tar.gz (gzip compressed tar archives). The tar format is a basis of some types of containment and distribution.
tar archive files usually have the extension .tar, as in somefile.tar. The pun, tarball, is used to refer to a tar file.
A tar archive file contains uncompressed byte streams of the files which it contains. To achieve archive compression, a variety of compression programs are available, such as gzip, bzip2, xz, lzip, lzma, or compress, which compress the entire tar archive. Typically, the compressed form of the archive receives a filename by appending the format-specific compressor suffix to the archive file name. For example, a tar archive archive.tar, is named archive.tar.gz, when it is compressed by gzip.
| Short | Long | Compression |
| .tgz | .tar.gz | gzip |
| .tbz, .tbz2, .tb2 | .tar.bz2 | bzip2 |
| .taz, .tz | .tar.Z | compress |
| .tlz | .tar.lz, .tar.lzma | lzma |
| .txz | .tar.xz | xz |
Open/Extract TAR File on Windows
To open/extract TAR file on Windows, you can use 7-Zip, Easy 7-Zip, PeaZip, and so on. I recommend Easy 7-Zip. The Easy 7-Zip is an easy-to-use version of 7-Zip. The open source freeware keeps all features of 7-Zip and adds a few useful features that makes the software more user-friendly.
Easy 7-Zip works on Windows 10/8.1/8/7/Vista/2008/2003/XP/2000 (both 32-bit and 64-bit compatible).
- Free Download Easy 7-Zip
- Install Easy 7-Zip by step-by-step instructions
- The installation will associate TAR with Easy 7-Zip automatically
- Double-click on TAR file to open TAR file with Easy 7-Zip
- Alternatively, Right-click on TAR file on Windows Explorer
- Done
You will see files or folders within the TAR file then, click button Extract to extract the TAR file.
And then, choose Extract files.., Extract Here, or Extract to 'folder' to extract the TAR file.
Easy 7-Zip Download Links:
Open/Extract TAR File on Mac
To open/extract TAR file on Mac, you can use Mac OS built-in utility Archive Utility, or third-part freeware. For example: GUI Tar, The Unarchiver, Keka, or B1 Free Archiver. B1 Free Archiver is recommended. B1 Free Archiver is a free software for creating archive folder and extracting archive file. B1 Archiver works on all platforms - Windows, Linux, Mac and Android. The freeware supports most popular formats including TAR.
B1 Free Archiver is compatible with:
- Mac OS X 10.9 Mavericks
- Mac OS X 10.8 Mountain Lion
- Mac OS X 10.7 Lion
- Mac OS X 10.6 Snow Leopard
Open/Extract TAR File on Linux
You need to use command tar. The tar is the GNU version of tar archiving utility.
To extract/unpack a tar file, type:
| $ tar -xvf file.tar |
To extract/unpack a .tar.gz (gzip) file, type:
| $ tar -xzvf file.tar.gz |
To extract/unpack a .tar.bz2 (bzip2) file, type:
| $ tar -xjvf file.tar.bz2 |
ISO is an archive file of an optical disc, a type of disk image composed of the data contents from every written sector on an optical disc, including the optical disc file system. ISO image files usually have a file extension of .iso. The name ISO is taken from the ISO 9660 file system used with CD-ROM media, but what is known as an ISO image might also contain a UDF (ISO/IEC 13346) file system (commonly used by DVDs and Blu-ray Discs).
ISO images can be created from optical discs by disk imaging software, or from a collection of files by optical disc authoring software, or from a different disk image file by means of conversion. Software distributed on bootable discs is often available for download in ISO image format. And like any other ISO image, it may be written on -- or 'burned' to -- a CD, DVD, or even a USB flash drive with any capable software.
The .iso file extension is the one most commonly used for this type of disc images. The .img extension can also be found on some ISO image files, such as in some images from Microsoft DreamSpark; however, IMG files, which also use the .img extension, tend to have slightly different contents. The .udf file extension is sometimes used to indicate that the file system inside the ISO image is actually UDF and not ISO 9660.
Any single-track CD-ROM, DVD or Blu-ray disc can be archived in ISO format as a true digital copy of the original. Unlike a physical optical disc, an image can be transferred over any data link or removable storage medium. An ISO image can be opened with almost every file archiver. Native support for handling ISO images varies from operating system to operating system.
Open/Extract ISO File on Windows
Easy 7-Zip opens/extracts ISO file easily on Windows. The Easy 7-Zip was developed based on 7-Zip. 7-Zip is a famous open source file archiver. The Easy 7-Zip is an easy-to-use version of 7-Zip. The open source freeware keeps all features of 7-Zip and adds a few useful features that makes the software more user-friendly.
Easy 7-Zip works on Windows 10/8.1/8/7/Vista/2008/2003/XP/2000 (both 32-bit and 64-bit compatible).
- Free Download Easy 7-Zip
- Install Easy 7-Zip by step-by-step instructions
- The installation will associate ISO with Easy 7-Zip automatically
- Double-click on ISO file to open ISO file with Easy 7-Zip
- Alternatively, Right-click on ISO file on Windows Explorer
- Done
You will see files or folders within the ISO file then, click button Extract to extract the ISO file.
And then, choose Extract files.., Extract Here, or Extract to 'folder' to extract the ISO file.
Easy 7-Zip Download Links:
There are many alternative freeware that opens/extracts ISO file without burning the ISO file to disc. For example:
- Microsoft Virtual CDRom Control Panel
- Virtual CloneDrive
- WinCDEmu
- MagicDisc
- PeaZip
- Pismo
- DAEMON Tools Lite
- Alcohol 52% Free Edition
Open/Extract ISO File on Mac
B1 Free Archiver opens/extracts ISO file on Mac. B1 Free Archiver is a free software for creating archive folder and extracting archive file. B1 Archiver works on all platforms - Windows, Linux, Mac and Android. The freeware supports most popular formats including ISO.
B1 Free Archiver is compatible with:
- Mac OS X 10.9 Mavericks
- Mac OS X 10.8 Mountain Lion
- Mac OS X 10.7 Lion
- Mac OS X 10.6 Snow Leopard
There are a few alternative freeware that opens/extracts ISO file on Mac.
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- Apple Disk Utility
- Keka
Open/Extract ISO File on Linux
You can use command mount to mount ISO file as a virtual drive.
First, you must login as a root user. Create a directory for ISO image
| # mkdir -p /mnt/isoimage |
Windows cursors. Use mount command as follows to mount ISO file called image.iso:
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| # mount -o loop image.iso /mnt/isoimage |
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Change directory to list files stored inside an ISO image:
| # cd /mnt/isoimage # ls -l |
Unmount the ISO image, type:
| # umount /mnt/isoimage |