--- layout: default title: usr/share/doc/sysbox/html/tool/lsmaj.html --- Sysbox: lsmaj

Sysbox: lsmaj

Usage: lsmaj [OPTION]...

List device major numbers exists in the system. The major numbers are stored in the system service (sysvc), so this tool will communicate with the sysvc.

Important! The Threos OS assign device major numbers during the boot, so it is absolutely not guaranteed that a device get the same major number after reboot.

Options:

Examples:

$ lsmaj       
    1    Registry
    2    sysvc
    3    bufgroup
    4    eser
    5    syslog
    6    libsvc
    8    acpi_dev
    9    ttyS0
   10    ttyS1
   11    input0
   12    tty0
   13    cmosrtc_dev
   14    devman
   15    partsvc
   16    tcpip
   17    pty
   18    bootfs
   19    tmpfs
   20    adminsvc
   21    ffs
   22    ext2
   23    FAT32
   24    pci
   25    sata0
   26    vfs
   27    eth0
$
$ lsmaj -N
    8    acpi_dev
   20    adminsvc
   18    bootfs
    3    bufgroup
   13    cmosrtc_dev
   14    devman
    4    eser
   27    eth0
   22    ext2
   23    FAT32
   21    ffs
   11    input0
    6    libsvc
   15    partsvc
   24    pci
   17    pty
    1    Registry
   25    sata0
    9    ttyS0
   10    ttyS1
    5    syslog
    2    sysvc
   16    tcpip
   19    tmpfs
   12    tty0
   26    vfs
$