Binary file

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A binary file is a computer file that is not a text file. Binary files are usually thought of as being a sequence of byteswhich means the binary digits bits are grouped in eights. Binary files typically contain bytes that are intended to be interpreted as something other than text characters. Compiled computer programs are typical examples; indeed, compiled applications are sometimes referred to, particularly by programmers, as binaries.

But binary files can also mean running the-binary they contain images, sounds, compressed versions of other files, etc.

Some binary files contain headersblocks of metadata used by a computer program to interpret the data in the file. The header often contains a signature or magic number which can identify the format. For example, a GIF file can contain multiple images, and headers running the-binary used to identify and describe each block running the-binary image data.

If a running the-binary file does not contain any headers, it may be called a flat binary file. To send binary files running the-binary certain systems such running the-binary email that do not allow all data values, they are often running the-binary into a plain text representation using, for example, Base The increased size may be countered by lower-level link compression, as the resulting text data will have about as much less entropy as it has increased size, so the actual data transferred in this scenario would likely be very close to the size of the original binary data.

See Binary-to-text encoding for more on this subject. A hex editor or viewer may be used to view file data as a sequence of running the-binary or decimal, binary or ASCII character values for corresponding bytes of a binary file. If a binary file is opened in a text editoreach group of eight bits will typically be translated as a single character, and the user will see a probably running the-binary display of textual characters.

If the file is opened in some other application, that application will have its own use for each byte: Other type of viewers called 'word extractors' simply replace the unprintable characters with spaces revealing only the human-readable text. This type of view is useful for quick running the-binary of a binary file in order to find passwords in games, find hidden text in non-text files and recover corrupted documents.

If the file is itself treated as an executable and run, then running the-binary operating system will running the-binary to interpret the file as a series of instructions in its machine language. Standards are very important to binary files. For example, a binary file interpreted by the ASCII character set will result in text being displayed.

Running the-binary custom application can interpret the file differently: Binary itself is meaningless, until such time as an executed algorithm defines running the-binary should be done with each bit, byte, word or block. Thus, just examining the binary and attempting to match it against known formats can lead to the wrong conclusion as to what it actually represents. This fact can be used in steganographywhere an algorithm interprets a binary data file differently to reveal hidden content.

Without the algorithm, it is impossible to tell that hidden content exists. Two files that are binary compatible will have the same sequence of zeros and ones in the data portion of the file. The file header, however, may be different. The term is used most commonly to state that data files produced by one application are exactly the same as data files produced by another application. For example, some software companies produce applications for Windows and the Macintosh that are binary compatible, which means that a file produced in a Windows environment is interchangeable with a file produced on a Macintosh.

This running the-binary many of the conversion problems caused by importing and exporting data. One possible binary compatibility issue between different computers is the endianness of the computer.

Some computers store the bytes in a file in a different order. Running the-binary Wikipedia, the free encyclopedia. For double stars, see Binary star. For the CD image format, see Disk image.

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April Learn how and when to remove this running the-binary message. For binary code executable file compatibility, see Binary compatible.

Open Close Read Write. File comparison File compression File manager Comparison of file managers File system permissions File transfer File sharing File verification. Retrieved from " https: Articles lacking sources from Running the-binary All articles lacking sources. Views Running the-binary Edit View history. This running the-binary was last edited on 30 Octoberat By using this site, you agree to the Terms of Use and Privacy Policy.

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Binary-code compatibility binary compatible or object-code -compatible is a property of computer systems meaning that they can run the same executable code , typically machine code for a general-purpose computer CPU. Source-code compatibility , on the other hand, means that recompilation or interpretation is necessary. For a compiled program on a general operating system, binary compatibility often implies that not only the CPUs instruction sets of the two computers are binary compatible, but also that interfaces and behaviours of the operating system and APIs , and the ABIs corresponding to those APIs, are sufficiently equal, i.

A term like backward-compatible usually implies object-code compatibility. Older executable code will thus run unchanged on the newer product. For a compiled program running directly on a CPU under an OS, a "binary compatible operating system" primarily means application binary interface ABI compatibility with another system.

However, it also often implies that APIs that the application depends on, directly or indirectly such as the Windows API , for example , are sufficiently similar. Hardware besides the CPU, such as for graphics and peripherals that an application accesses may also be a factor for full compatibility, although many hardware differences are hidden by modern APIs often partly supplied by the OS itself and partly by specific device drivers.

In other cases, a general porting of the software must be used to make non-binary-compatible programs work. Binary compatibility is a major benefit when developing computer programs that are to be run on multiple OSes. Most OSes provide binary compatibility, in each version of the OS, for most binaries built to run on earlier versions of the OS. For example, many executables compiled for Windows 3.

For a digital processor implemented in hardware, binary compatibility means that a large subset of machine code produced for another processor can be correctly executed and has much the same effect as on the other processor.

This is quite common among many processor families, although it is rather uncommon among the ubiquitous small embedded systems built around such processors. For a more complex embedded system using more abstraction layers sometimes on the border to a general computer, such as a mobile phone , this may be different.

Binary compatible operating systems are OSes that aim to implement binary compatibility with another OS, or another variant of the same brand. This means that they are ABI-compatible for application binary interface. As the job of an OS is to run programs, the instruction set architectures running the OSes have to be the same or compatible. Otherwise, programs can be employed within a CPU emulator or a faster dynamic translation mechanism to make them compatible.

For example, the Linux kernel is not compatible with Windows. This does not mean that Linux can't be binary compatible with Windows applications. Additional software, Wine , is available that does that to some degree. The ReactOS OS development effort, seeks to create an open source , free software OS that is binary compatible with Microsoft's Windows NT family of OSes using Wine for application compatibility and reimplementing the Windows kernel for additional compatibility such as for drivers whereas Linux would use Linux drivers not Windows drivers.

Note that a binary compatible OS is different from running an alternative OS through virtualization or emulation , which is done to run software within the alternative OS in the case when the host OS isn't compatible. Sometimes virtualization is provided with the host OS or such software can be obtained , which effectively makes the host OS compatible with programs.

Instead, the Classic environment was actually running Mac OS 9. From Wikipedia, the free encyclopedia. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. November Learn how and when to remove this template message. Archived from the original on August 2, Mac OS X Internals: Application binary interface ABI. Binary code compatibility Foreign function interface Language binding Linker dynamic Loader Year problem.

Retrieved from " https: Backward compatibility Computing terminology. Articles needing additional references from November All articles needing additional references All articles with unsourced statements Articles with unsourced statements from May Views Read Edit View history. This page was last edited on 9 January , at By using this site, you agree to the Terms of Use and Privacy Policy.