{
    "mode": "perldoc",
    "parameter": "umask",
    "section": "-f",
    "url": "https://www.chedong.com/phpMan.php/perldoc/umask/json",
    "generated": "2026-06-03T04:24:44Z",
    "sections": [],
    "flags": [],
    "examples": [],
    "see_also": [],
    "tldr": {
        "source": "official",
        "description": "Manage the read/write/execute permissions that are masked out (i.e. restricted) for newly created files by the user.",
        "examples": [
            {
                "description": "Display the current mask in octal notation",
                "command": "umask"
            },
            {
                "description": "Display the current mask in symbolic (human-readable) mode",
                "command": "umask -S"
            },
            {
                "description": "Change the mask symbolically to allow read permission for all users (the rest of the mask bits are unchanged)",
                "command": "umask {{a+r}}"
            },
            {
                "description": "Set the mask (using octal) to restrict no permissions for the file's owner, and restrict all permissions for everyone else",
                "command": "umask {{077}}"
            }
        ]
    }
}