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Unmount vs Undefined - What's the difference?

unmount | undefined |

As a verb unmount

is (computing|transitive) to reverse a mount operation; to instruct the operating system that the file system should be disassociated from its mount point, making it no longer accessible.

As an adjective undefined is

lacking a definition or value.

unmount

English

(wikipedia unmount)

Verb

(en verb)
  • (computing) To reverse a mount operation; to instruct the operating system that the file system should be disassociated from its mount point, making it no longer accessible.

    • Synonyms

    * dismount * (Unix jargon) umount

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined