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Space | 7!:

`7!:0 y` | Current. Space currently in use.
`7!:1 y` | Session. Total space used since start of session.

`7!:2 y`

Execute. Space required to execute sentence`y`.`` For example:

       7!:2 ',/x' [ x=: 3000 2 5$'kerygmatic'
    33888

`7!:3 y`

Free Space. Information on the state of the J memory manager, currently a 2-column table of the block sizes and number of free blocks for each size. The definition of the result of`7!:3` ,`` as well as the availability of`7!:3` itself, are subject to change. For example:

       7!:3 ''
       32  950
       64 1135
      128  554
      256  157
      512   74
     1024   40

`7!:5 y`

Space. The space in bytes needed by the named objects`y` .`` For example:

       Hilbert=: % @: >: @: (+/~) @: i.

       7!:5 <'Hilbert'
    896
       7!:5 <'name_without_value'
    |value error: name_without_value
    |       7!:5<'name_without_value'

       sp=: 3 : '7!:5 <''y.'''
       sp 'chiaroscuro'
    64
       sp i.1000
    4096
       sp o.i.1000
    8192

       x=: o.y=: i.1000
       7!:5 ;:'x y Hilbert'
    8192 4096 896

See also`9!:20` and`9!:21` .

>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help Dictionary