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What is Mailbox in Operating System? PDF Download

Learn Mailbox definition in operating system with explanation to study “What is Mailbox”. Study mailbox explanation with operating system terms to review operating system course for online degree programs.

Mailbox Definition:

  • A data structure shared among a number of processes that is used as a queue for messages.

    Operating Systems by William Stallings



Mailbox Explanation:

A mailbox is a data buffer that can store a fixed number of messages and drafts of a fixed size. Program tasks can store messages in a mailbox. If a mailbox is full, the task is blocked until the space in the mailbox becomes available for the task to store messages.

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