_Added in 1.9.0_
*$disk*
In /sysinfo [N:] and /diskinfo [N:] will return the drive letter [N:] used as parameter.
If the [N;] parameter is not defined, $disk will return [[$null]].
----------------------------
_Added in 1.9.0_
*$disk(path|N)*
Returns information about the specified hard disk, where N = 0 for total available drives, and N > 0 to access each drive.
If no properties is defined, returns [[$true]] if hard disk exists, otherwise [[$false]].
_[[$disk]] with no parameters in /sysinfo [N:] and /diskinfo [N:] will return the drive letter [N:] used as parameter._
*Parameters*
table(ktable).
|*Parameter*|*Description*|
| path
; Print total number of hard drives. echo -ag Total number of hard drives is $disk(0) ; Print some hard drive info of the first drive. echo -ag The first hard drive is $bytes($disk(1).size).suf in size and have $bytes($disk(1).free).suf free space.