h6. [[OS SWI Calls]] h6(. » [[OS_File]] h6((. » OS_File 4 h2. OS_ File 4 h5. (SWI &08) |_<^{width:3em}. Entry | | |<^. R0 |<^. 4 (reason code) | |<^. R1 |<^. Pointer to filename | |<^. R5 |<^. "Attributes":linkattributes | |_<^{width:3em}. Exit | | |\2<^. All registers preserved | h4. Use The purpose of this call is to write the file attribute information for a named object. h4. Notes There are several different reason codes that can be used to write various catalogue information using the [[OS_File]] call. h4. See also * [[OS_File]] * [[OS_File 1]] * [[OS_File 2]] * [[OS_File 3]] * [[OS_File 9]] * [[OS_File 18]] [linkload]FileSwitch%20Key%20Features%20load_execution [linkexecution]FileSwitch%20Key%20Features#load_execution [linkattributes]FileSwitch%20Key%20Features#file_attributes