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  2. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    APPEND. Sets the path to be searched for data files or displays the current search path. The APPEND command is similar to the PATH command that tells DOS where to search for program files (files with a .COM, . EXE, or .BAT file name extension). The command is available in MS-DOS versions 3.2 and later.

  3. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    ARC – Nintendo U8 Archive (mostly Yaz0 compressed) ARJ – ARJ compressed file. ASS, SSA – ASS (also SSA): a subtitles file created by Aegisub, a video typesetting application (also a Halo game engine file) B – (B file) Similar to .a, but less compressed. BA – BA: Scifer Archive (.ba), Scifer External Archive Type.

  4. Master boot record - Wikipedia

    en.wikipedia.org/wiki/Master_boot_record

    A master boot record ( MBR) is a type of boot sector in the first block of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBRs was publicly introduced in 1983 with PC DOS 2.0 . The MBR holds the information on how the disc's sectors (aka ...

  5. List of file systems - Wikipedia

    en.wikipedia.org/wiki/List_of_file_systems

    Tux3 – An experimental versioning file system intended as a replacement for ext3. UDF – Packet-based file system for WORM/RW media such as CD-RW and DVD, now supports hard drives and flash memory as well. UFS – Unix File System, used on Solaris and older BSD systems. UFS2 – Unix File System, used on newer BSD systems.

  6. History of hard disk drives - Wikipedia

    en.wikipedia.org/wiki/History_of_hard_disk_drives

    History of hard disk drives. Historical lowest retail price of computer memory and storage. In 1953, IBM recognized the immediate application for what it termed a "Random Access File" having high capacity and rapid random access at a relatively low cost. [ 1] After considering technologies such as wire matrices, rod arrays, drums, drum arrays ...

  7. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    File Manager displaying the contents of drive C. In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes. Unlike the concept of UNIX mount points, where volumes are named and located arbitrarily in a single hierarchical namespace, drive letter assignment allows multiple highest-level ...

  8. Directory (computing) - Wikipedia

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

    In computing, a directory is a file system cataloging structure which contains references to other computer files, and possibly other directories. On many computers, directories are known as folders, or drawers, [ 1] analogous to a workbench or the traditional office filing cabinet. The name derives from books like a telephone directory that ...

  9. Computer file - Wikipedia

    en.wikipedia.org/wiki/Computer_file

    Computer file. In computing, a computer file is a resource for recording data on a computer storage device, primarily identified by its filename. Just as words can be written on paper, so too can data be written to a computer file. Files can be shared with and transferred between computers and mobile devices via removable media, networks, or ...