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2. Trim (computing) - Wikipedia

   en.wikipedia.org/wiki/Trim_(computing)

   The TRIM command enables an operating system to notify the SSD of pages which no longer contain valid data. For a file deletion operation, the operating system will mark the file's sectors as free for new data, then send a TRIM command to the SSD. After trimming, the SSD will not preserve any contents of the block when writing new data to a ...

3. Apple Disk Image - Wikipedia

   en.wikipedia.org/wiki/Apple_Disk_Image

   Apple [1] Disk Image is a disk image format commonly used by the macOS operating system. When opened, an Apple Disk Image is mounted as a volume within the Finder.. An Apple Disk Image can be structured according to one of several proprietary disk image formats, including the Universal Disk Image Format (UDIF) from Mac OS X and the New Disk Image Format (NDIF) from Mac OS 9.

4. Comparison of executable file formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_executable...

   In addition to the binary application code, the executables may contain headers and tables with relocation and fixup information as well as various kinds of meta data. Among those formats listed, the ones in most common use are PE (on Microsoft Windows ), ELF (on Linux and most other versions of Unix ), Mach-O (on macOS and iOS ) and MZ (on DOS ).

5. MacBinary - Wikipedia

   en.wikipedia.org/wiki/MacBinary

   MacBinary is a file format that combines the data fork and the resource fork of a classic Mac OS file into a single file, along with HFS's extended metadata.The resulting file is suitable for transmission over FTP, the World Wide Web, and electronic mail.

6. BIOS - Wikipedia

   en.wikipedia.org/wiki/BIOS

   The bootable virtual floppy disk can contain software that provides access to the optical medium in its native format. If an expansion ROM wishes to change the way the system boots (such as from a network device or a SCSI adapter) in a cooperative way, it can use the BIOS Boot Specification (BBS) API to register its ability to do so.

7. Nonvolatile BIOS memory - Wikipedia

   en.wikipedia.org/wiki/Nonvolatile_BIOS_memory

   Some computer designs have used non-button cell batteries, such as the cylindrical "1/2 AA" used in the Power Mac G4 as well as some older IBM PC compatibles, or a 3-cell nickel–cadmium (Ni–Cd) CMOS battery that looks like a "barrel" (common in Amiga and older IBM PC compatibles), which serves the same purpose. These motherboards often have ...

8. Caltech Intermediate Form - Wikipedia

   en.wikipedia.org/wiki/Caltech_Intermediate_Form

   Caltech Intermediate Form (CIF) is a file format for describing integrated circuits. CIF provides a limited set of graphics primitives that are useful for describing the two-dimensional shapes on the different layers of a chip. The format allows hierarchical description, which makes the representation concise.

9. Preferred Executable Format - Wikipedia

   en.wikipedia.org/wiki/Preferred_Executable_Format

   The Preferred Executable Format is a file format that specifies the format of executable files and other object code. PEF executables are also called Code Fragment Manager files (CFM). PEF was developed by Apple Computer for use in its classic Mac OS operating system. It was optimised for RISC processors.