Definition of DOS in English:


  • Disk operating system, an operating system originally developed for IBM personal computers.

Definition of DoS in English:


  • Denial of service.

    • ‘This is the second attempt to tack a DoS extension onto the Computer Misuse Act.’
    • ‘In trying to prevent a DoS attack they have managed to deny service to thousands of users.’
    • ‘Bombs and bullets kill people; computer viruses and DoS attacks merely irritate us.’
    • ‘We have proved that this vulnerability can be easily exploited and can be used to DoS almost any SMTP service on the Internet.’
    • ‘In this case, the attackers would launch a DoS attack to consume the resources of the network and computers, especially web servers.’