![]() MS-DOS 2.x – Support for 10 MB hard disk drives and tree-structure filing system Version 2.0 (OEM) Version 2.1 (OEM) Version 2.11 (OEM).MS-DOS 1.x Version 1.12 (OEM) – Compaq release of PC DOS 1.10 Version 1.19 (OEM) – Zenith OEM Version 1.25 (OEM) – Microsoft repackaging of PC DOS 1.10 These are the three system files which are needed to load DOS. The computer loads three Basic files called MS DOS. What are the three different files of MS DOS? The plural form of dos and don’ts is also dos and don’ts. Later compatible systems from other manufacturers include DR DOS (1988), ROM-DOS (1989), PTS-DOS (1993), and FreeDOS (1998). What is DOS write the history and versions of DOS?ĭOS primarily consists of Microsoft’s MS-DOS and a rebranded version under the name IBM PC DOS, both of which were introduced in 1981. Recovery console command that deletes a file.ĭeletes one or more files or directories. Re-arrange the hard drive to help with loading programs. What are the major types of DOS commands? DEL- Del is a command used to delete files from the computer. RMDIR – Removes an empty directory in MS-DOS. EXIT – The exit command is used to withdrawal from the currently running application and the MS-DOS session. Internal Commands CHDIR – Chdir (change directory) is a command used to switch directories in MS-DOS. What different types of DOS command and explain any 5 commands? The process of loading system files into computer’s memory from disk is called booting. It has three essential files and many command files. How many types of files are there in DOS? ![]() DOS primarily consists of Microsoft’s MS-DOS and a rebranded version under the name IBM PC DOS, both of which were introduced in 1981. What is the definition of DOS & explain about its history & its versions?ĭOS (/dɒs/, /dɔːs/) is a platform-independent acronym for disk operating system which later became a common shorthand for disk-based operating systems on IBM PC compatibles. The DOS commands whose specifications are internally available in the file and can be easily accessed are called the internal commands. The two types of DOS commands are internal and external commands. “MS-DOS” was the version that Microsoft bought the rights to, and was bundled with the first versions of Windows. “PC-DOS” was the version developed by IBM and sold to the first IBM-compatible manufacturers. Stands for “Disk Operating System.” DOS was the first operating system used by IBM-compatible computers. The following versions of MS-DOS were released to the public:
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