GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 5.6 |
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blockdev(8) |
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blockdev − call block device ioctls from the command line
blockdev [options] commands devices
The utility blockdev allows one to call block device ioctls from the command line.
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−V |
Print version and exit. |
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−q |
Be quiet. |
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−v |
Be verbose. |
−-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. −-getbsz Print blocksize in bytes.
−-setbsz N
Set blocksize to N bytes.
−-getsize
Print device size (in 512-byte sectors).
−-getsize64
Print device size in bytes.
−-setra N
Set readahead to N 512-byte sectors.
−-getra
Print readahead (in 512-byte sectors).
−-flushbufs
Flush buffers.
−-rereadpt
Reread partition table.
−-rmparta N
remove selected partition from kernel (DEPRECATED).
−-rmparts
remove all device partitions from kernel (DEPRECATED).
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blockdev(8) | |