## Efficient transpositions

If you need to perform one of the transpositions above, you have to know that the command TRANSPOSE faces the same problem of traversing the files by slices. For a better efficiency, you should give TRANSPOSE the right to allocate as much as memory as possible (the larger the available memory, the smaller the number of slices). This can be achieved with the commands:

    LAS> SIC LOGICAL SPACE_GILDAS 4096  ! Megabytes
    LAS> TRANSPOSE myfile.ab myfile.ba 21

The memory allocated by TRANSPOSE is also freed when the command terminates.