h6. [[Filer_Action]] h6(. » [[Free SWI Calls|SWI Calls]] h6((. » Free_Register h2. Free_Register h5. (SWI &444C0) |_<^{width:4em}. Entry | | |<^. R0 |<^. [[Filing System Numbers|Filing System Number]] | |<^. R1 |<^. Address of [[Free Routine Entry|routine]] to call to get free space information | |<^. R2 |<^. R12 on entry to the above routine | |_<^{width:4em}. Exit | | |\2<^. All Registers preserved | h4. Use This SWI is used to provide the Desktop Free display. h4. Notes Remove these handlers with [[Free_DeRegister]]. h4. See also * [[Free Routine Entry]] * [[Free_DeRegister]]