{
    "mode": "man",
    "parameter": "group",
    "section": "5",
    "url": "https://www.chedong.com/phpMan.php/man/group/5/json",
    "generated": "2026-10-07T14:04:36Z",
    "sections": {
        "NAME": {
            "content": "group - user group file\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "The /etc/group file is a text file that defines the groups on the system.  There is one entry\nper line, with the following format:\n\ngroupname:password:GID:userlist\n\nThe fields are as follows:\n\ngroupname\nthe name of the group.\n\npassword\nthe (encrypted) group password.  If this field is empty, no password is needed.\n\nGID    the numeric group ID.\n\nuserlist\na list of the usernames that are members of this group, separated by commas.\n",
            "subsections": []
        },
        "FILES": {
            "content": "/etc/group\n",
            "subsections": []
        },
        "BUGS": {
            "content": "As the 4.2BSD initgroups(3) man page says: no one seems to keep /etc/group up-to-date.\n",
            "subsections": []
        },
        "SEE ALSO": {
            "content": "chgrp(1),  gpasswd(1),  groups(1),  login(1),  newgrp(1),  sg(1),  getgrent(3),  getgrnam(3),\ngshadow(5), passwd(5), vigr(8)\n\nLinux man-pages 6.7                          2023-10-31                                     group(5)",
            "subsections": []
        }
    },
    "summary": "group - user group file",
    "flags": [],
    "examples": [],
    "see_also": [
        {
            "name": "chgrp",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/chgrp/1/json"
        },
        {
            "name": "gpasswd",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/gpasswd/1/json"
        },
        {
            "name": "groups",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/groups/1/json"
        },
        {
            "name": "login",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/login/1/json"
        },
        {
            "name": "newgrp",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/newgrp/1/json"
        },
        {
            "name": "sg",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/sg/1/json"
        },
        {
            "name": "getgrent",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/getgrent/3/json"
        },
        {
            "name": "getgrnam",
            "section": "3",
            "url": "https://www.chedong.com/phpMan.php/man/getgrnam/3/json"
        },
        {
            "name": "gshadow",
            "section": "5",
            "url": "https://www.chedong.com/phpMan.php/man/gshadow/5/json"
        },
        {
            "name": "passwd",
            "section": "5",
            "url": "https://www.chedong.com/phpMan.php/man/passwd/5/json"
        },
        {
            "name": "vigr",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/vigr/8/json"
        }
    ]
}