Unix/POSIX system account group number; numeric value used to represent a specific group
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In Unix-like systems, multiple users can be put into groups. POSIX and conventional Unix file system permissions are organized into three classes, user, group, and others. The use of groups allows additional abilities to be delegated in an organized fashion, such as access to disks, printers, and other peripherals. This method, among others, also enables the superuser to delegate some administrative tasks to normal users, similar to the Administrators group on Microsoft Windows NT and its derivatives.
A group identifier, often abbreviated to GID, is a numeric value used to represent a specific group.[1] The range of values for a GID varies amongst different systems; at the very least, a GID can be between 0 and 32,767, with one restriction: the login group for the superuser must have GID 0. This numeric value is used to refer to groups in the /etc/passwd and /etc/group files or their equivalents. Shadow password files and Network Information Service also refer to numeric GIDs. The group identifier is a necessary component of Unix file systems and processes.
automatically add or delete an associated personal group. setuid User identifier Process identifier Inode FAT access rights Id (Unix) "Definitions". pubs...
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identifier (a.k.a. process ID or PID) is a number used by most operating system kernels—such as those of Unix, macOS and Windows—to uniquely identify...
the process group leader of the newly created group. POSIX prohibits the re-use of a process ID where a process group with that identifier still exists...
process extracts identifiers from the article abstract and puts those in a field called Secondary Identifier (SI). The secondary identifier field is to store...
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National Provider Identifier". HHS. Retrieved July 16, 2019. "National Plan and Provider Enumeration System (NPPES) National Provider Identifier (NPI) for Health...
Agency is an agency responsible for assigning ISBN numbers for the groupidentifier 9953 to books in Lebanon. As of 2011 the agency is part of the Directorate...
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display information about the services, including their process identifier and groupidentifier. Activity Monitor, included in macOS Conky, for the X Window...
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to bottom) represented the identifier "USMW" Hull number or Hull Identification Number (HIN) – a number used as an identifier for civilian and naval vessels...
uniquely identify works. The ISAN identifier is incorporated in many draft and final standards such as AACS, DCI, MPEG, DVB, and ATSC. The identifier can be...
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