What does system bug mean?

System bug means "system vulnerability". The original meaning of the word bug is "bug" or "worm", and now it is used to refer to the loopholes that exist on computers; in computer systems or programs, if there are some undiscovered flaws or problems hidden, people will call them Bug.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

System bug means "system vulnerability".

Bug is a professional term in the computer field. The original meaning of bug is "bug". It is now used to refer to vulnerabilities that exist on computers. The reason is that flaws in the system security policy allow attackers to exploit the system in the future. Hazards of unauthorized access.

Vulnerabilities are flaws in the specific implementation of hardware, software, protocols, or system security policies, which allow attackers to access or damage the system without authorization. Specific examples include logic errors in Intel Pentium chips, programming errors in early versions of Sendmail, weaknesses in the authentication method in the NFS protocol, and improper configuration problems when Unix system administrators set up anonymous Ftp services. May be used by attackers to threaten system security. Therefore, these can be considered as security vulnerabilities in the system. The narrow concept of bug refers to software program loopholes or defects. The broad concept also includes changeable details of the software discovered and proposed by test engineers or users, or functional implementations that are different from the requirements document.

Origin of the name:

Grace Hopper, who programmed the Harvard Mark II, was a U.S. Navy commodore and computer scientist, and also the world's earliest One of a group of programmers, one day, she had a malfunction while debugging the equipment. After disassembling the relay, she found a moth squashed between the contacts, thus "stuck" the operation of the machine. Therefore, Huo Bo humorously called program faults BUG (flying insects), and called troubleshooting program faults DEBUG. This strange "name" actually became a professional jargon in the computer field.

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