# Directives

FLUSH | Force Flush File Updates

## Format

FLUSH (chan[,ERR=stmtref])

Where:

chan | Channel or logical file number of the file to be flushed to disk.
stmtref | Program line number or statement label to which to transfer control.

## Description

Use the FLUSH directive to force the system to write all updates to a file to disk. This directive can be used to make sure that critical updates are fully written to the file specified.

#### Note:
This directive is not supported on WindX-connected files.

(The FLUSH directive was added in PxPlus v11.00.)