h6. [[OS SWI Calls]] h6(. » [[OS_FSControl]] h6((. » OS_FSControl 22 h2. OS_ FSControl 22 h5. (SWI &29) |_<^{width:4em}. Entry | | |<^. R0 |<^. 22 (&16) | |_<^{width:4em}. Exit | | |<^. R0 |<^. Preserved | h4. Use The purpose of this call is to close all open files. h4. Notes This SWI flushes and closes all open files on all filing systems. It does not stop if an individual close reports an error, but will only return without error if all individual closes were error free. It is equivalent to the [[*Shut|*Shut]] command. h4. See also * [[OS_FSControl]] * [[*Shut|*Shut]]