Command: unmapfile

Syntax

unmapfile {<file> ... }

Description

Remove the memory mapping of a file. This is the companion to the mapfile command.

Parameters

• <file>
  The name of the file to be unmapped. There is no default file extension.

Switches

• -all
  Unmap all files previously mapped by mapfile.

Notes

Typically the only files which need to be explicitly memory-mapped are very large entity (.e) instance files, particularly those shared with other processes. Mapping other file types has no impact on performance, in fact in some cases it is detrimental.

Examples

Unmap a file (myfile.e).

unmapfile myfile.e

Unmap 2 files.

unmapfile file1.e,file2.e

Unmap all currently mapped files.

unmapfile -all

See Also