OS Manuals

/usr/bin/dmidecode

A utility for reporting system hardware as described by BIOS

From dmidecode 3.7-r4 (os), captured 2026-11-05 by running dmidecode --help (exit 0). permalink

Usage: dmidecode [OPTIONS]
Options are:
 -d, --dev-mem FILE     Read memory from device FILE (default: /dev/mem)
 -h, --help             Display this help text and exit
 -q, --quiet            Less verbose output
     --no-quirks        Decode everything without quirks
 -s, --string KEYWORD   Only display the value of the given DMI string
     --list-strings     List available string keywords and exit
 -t, --type TYPE        Only display the entries of given type
     --list-types       List available type keywords and exit
 -H, --handle HANDLE    Only display the entry of given handle
 -u, --dump             Do not decode the entries
     --dump-bin FILE    Dump the DMI data to a binary file
     --from-dump FILE   Read the DMI data from a binary file
     --no-sysfs         Do not attempt to read DMI data from sysfs files
     --oem-string N     Only display the value of the given OEM string
 -V, --version          Display the version and exit
Options (15)
OptionDescriptionSource
-d, --dev-mem FILERead memory from device FILE (default: /dev/mem)help + man
-h, --helpDisplay usage information and exithelp + man
-q, --quietLess verbose outputhelp + man
--no-quirksDecode everything exactly as it is in the table, without trying to fix up common mistakes or hide irrelevant fields.help + man
-s, --string KEYWORDOnly display the value of the DMI string identified by KEYWORD.help + man
--list-stringsList available string keywords, which can then be passed to the --string option.help + man
-t, --type TYPEOnly display the entries of given typehelp + man
--list-typesList available type keywords, which can then be passed to the --type option.help + man
-H, --handle HANDLEOnly display the entry whose handle matches HANDLE.help + man
-u, --dumpDo not decode the entries, dump their contents as hexadecimal instead.help + man
--dump-bin FILEDo not decode the entries, instead dump the DMI data to a file in binary form.help + man
--from-dump FILERead the DMI data from a binary file previously generated using --dump-bin.help + man
--no-sysfsDo not attempt to read DMI data from sysfs files.help + man
--oem-string NOnly display the value of the OEM string number N.help + man
-V, --versionDisplay the version and exithelp + man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.