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blockdev (8)
  • >> blockdev (8) ( Linux man: Команды системного администрирования )
    •  

    NAME

    blockdev - call block device ioctls from the command line
 

    SYNOPSIS

    blockdev [options] commands devices  

    DESCRIPTION

    The utility blockdev allows one to call block device ioctls from the command line.  

    OPTIONS

    -V
    Print version and exit.
    -q
    Be quiet.
    -v
    Be verbose.
     

    COMMANDS

    --setro
    Set read-only.
    --setrw
    Set read-write.
    --getro
    Get read-only. Print 1 if the device is read-only, 0 otherwise.
    --getss
    Print sectorsize in bytes - usually 512.
    --getsize
    Print device capacity (in 512-byte sectors).
    --setra N
    Set readahead to N 512-byte sectors.
    --getra
    Print readahead (in 512-byte sectors).
    --flushbufs
    Flush buffers.
    --rereadpt
    Reread partition table.

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    COMMANDS

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