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DOS

noun

  1. group of closely-related PC-compatible operating systems
L315903 on Wikidata ↗

Wiktionary

Pronunciation: /diː oː ˈɛs/ / /dɒs/ / /dɔːs/

name

  1. Acronym of Disk Operating System, a family of disk-based operating systems.

    Next, using your word processor or the DOS text editor, you can edit your AUTOEXEC.BAT file.

    One way to do that is to turn the PC off and turn it back on again. Then, the PC performs its self-test and boots DOS.

  2. Initialism of Department of State.

noun

  1. A Director of Studies; someone who oversees the scholarly aspects of an institution, including faculty development and curriculum design.

verb

Etymology: From denial of service.

  1. To commit a denial-of-service attack against.

    In addition to out-of-spec traffic, malicious packets can contain payloads that cause a system to crash. A packet's payload is taken as input into a service. If the input is not properly checked, the application can be DoSed.