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Message Queues Semaphores Shared Memory 阅读全文
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In Linux, a pipe is implemented using two filedata structures which both point at the same temporary VFS inode which itself points at a physical page 阅读全文
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When the system starts up it is running in kernel mode and there is, in a sense, only one process, the initial process. Like all processes, the initia 阅读全文
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Linux, like all Unix uses user and group identifiers to check for access rights to files and images in the system. All of the files in a Linux system 阅读全文
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So that Linux can manage the processes in the system, each process is represented by a task_struct data structure (task and process are terms which Li 阅读全文