{
    "content": [
        {
            "type": "text",
            "text": "# subgid (man)\n\n## NAME\n\nsubgid - the subordinate gid file\n\n## DESCRIPTION\n\nEach line in /etc/subgid contains a user name and a range of subordinate group ids that user\nis allowed to use. This is specified with three fields delimited by colons (“:”). These\nfields are:\n\n## Sections\n\n- **NAME**\n- **DESCRIPTION**\n- **FILES**\n- **SEE ALSO**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n"
        }
    ],
    "structuredContent": {
        "command": "subgid",
        "section": "",
        "mode": "man",
        "summary": "subgid - the subordinate gid file",
        "synopsis": null,
        "tldr_summary": null,
        "tldr_examples": [],
        "tldr_source": null,
        "flags": [],
        "examples": [],
        "see_also": [
            {
                "name": "login.defs",
                "section": "5",
                "url": "https://www.chedong.com/phpMan.php/man/login.defs/5/json"
            },
            {
                "name": "newgidmap",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/newgidmap/1/json"
            },
            {
                "name": "newuidmap",
                "section": "1",
                "url": "https://www.chedong.com/phpMan.php/man/newuidmap/1/json"
            },
            {
                "name": "newusers",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/newusers/8/json"
            },
            {
                "name": "subuid",
                "section": "5",
                "url": "https://www.chedong.com/phpMan.php/man/subuid/5/json"
            },
            {
                "name": "useradd",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/useradd/8/json"
            },
            {
                "name": "userdel",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/userdel/8/json"
            },
            {
                "name": "usermod",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/usermod/8/json"
            },
            {
                "name": "usernamespaces",
                "section": "7",
                "url": "https://www.chedong.com/phpMan.php/man/usernamespaces/7/json"
            }
        ],
        "section_outline": [
            {
                "name": "NAME",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "DESCRIPTION",
                "lines": 19,
                "subsections": []
            },
            {
                "name": "FILES",
                "lines": 6,
                "subsections": []
            },
            {
                "name": "SEE ALSO",
                "lines": 6,
                "subsections": []
            }
        ],
        "sections": {
            "NAME": {
                "content": "subgid - the subordinate gid file\n",
                "subsections": []
            },
            "DESCRIPTION": {
                "content": "Each line in /etc/subgid contains a user name and a range of subordinate group ids that user\nis allowed to use. This is specified with three fields delimited by colons (“:”). These\nfields are:\n\n•   login name or UID\n\n•   numerical subordinate group ID\n\n•   numerical subordinate group ID count\n\nThis file specifies the group IDs that ordinary users can use, with the newgidmap command, to\nconfigure gid mapping in a user namespace.\n\nMultiple ranges may be specified per user.\n\nWhen large number of entries (10000-100000 or more) are defined in /etc/subgid, parsing\nperformance penalty will become noticeable. In this case it is recommended to use UIDs\ninstead of login names. Benchmarks have shown speed-ups up to 20x.\n",
                "subsections": []
            },
            "FILES": {
                "content": "/etc/subgid\nPer user subordinate group IDs.\n\n/etc/subgid-\nBackup file for /etc/subgid.\n",
                "subsections": []
            },
            "SEE ALSO": {
                "content": "login.defs(5), newgidmap(1), newuidmap(1), newusers(8), subuid(5), useradd(8), userdel(8),\nusermod(8), usernamespaces(7).\n\n\n\nshadow-utils 4.8.1                           02/06/2024                                    SUBGID(5)",
                "subsections": []
            }
        }
    }
}