The grp stack is a data structure used by the kernel to keep track of a process's set of gids. Unlike the User ID (UID), which typically remains constant for a process throughout its lifetime, the gids can change dynamically as a process executes. This mechanism allows for flexible permission management, where processes can take on different levels of access based on their current effective or supplementary gids.
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These sanctuaries serve as safe havens for seals and other marine life, offering them respite from human activities These sanctuaries serve as safe havens for seals and other marine life, offering them respite from human activities
