{
    "mode": "man",
    "parameter": "screendump",
    "section": "1",
    "url": "https://www.chedong.com/phpMan.php/man/screendump/1/json",
    "generated": "2026-06-03T01:48:48Z",
    "synopsis": "screendump [ N ]",
    "sections": {
        "NAME": {
            "content": "screendump - dump the contents of a virtual console to stdout\n\n",
            "subsections": []
        },
        "SYNOPSIS": {
            "content": "screendump [ N ]\n\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "The screendump command dumps the contents of virtual console N , (or the current console if N\nis omitted) to standard out.\n\nJust saying\ncat /dev/vcsN\nhas a similar effect.\n\n",
            "subsections": []
        },
        "NOTES": {
            "content": "For security reasons, screendump uses linux devices \"virtual  console  screen\"  and  \"virtual\nconsole screen with attributes\" to give access for screendump.\n\nEnsure these files exist, using\n\ncd /dev for i in 0 1 2 3 ...; do\nmknod vcs$i c 7 $i\nmknod vcsa$i c 7 `expr 128 + $i`\ndone\n\n(filling  in  the ellipses) and give the device files appropriate permissions, or run screen‐‐\ndump as root.\n\n",
            "subsections": []
        },
        "SEE ALSO": {
            "content": "setterm(1)\n\n\n\n\nkbd                                          2002-02-24                                SCREENDUMP(1)",
            "subsections": []
        }
    },
    "summary": "screendump - dump the contents of a virtual console to stdout",
    "flags": [],
    "examples": [],
    "see_also": [
        {
            "name": "setterm",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/setterm/1/json"
        }
    ]
}