Important UNIX Files and their Permissions

Early Unix systems were mainly commercial commodities like most software for sale; to run the operating system, you generally had to pay for that right. In 1984 an engineer named Richard Stallman began work on…

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Purpose of Linux File System Structure

The arrangement of files in a Linux system may seem at first to be a semi-arbitrary arrangement of files and directories, based on historic practice. To an extent that’s true, but over the…

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