h6. [[Programmer's Reference Manuals]] h6(. » Filing System Numbers h2. Filing System Numbers table(bordered). |_<^{width:3em}. #|_<^. File System| |<^. 0|<^. None [1]| |<^. 3|<^. ROMFS| |<^. 5|<^. [[NetFS]]| |<^. 8|<^. [[ADFS]]| |<^. 12|<^. [[NetPrint]]| |<^. 13|<^. Null| |<^. 14|<^. Printer| |<^. 15|<^. [[SerialDeviceDriver|Serial]]| |<^. 17|<^. VDU| |<^. 18|<^. RawVDU| |<^. 19|<^. Kbd| |<^. 20|<^. RawKbd| |<^. 21|<^. DeskFS| |<^. 22|<^. Computer Concepts' RomFS| |<^. 23|<^. [[RamFS]]| |<^. 24|<^. RISCiXFS| |<^. 25|<^. Streamer| |<^. 26|<^. [[SCSIFS]]| |<^. 27|<^. Digitiser| |<^. 28|<^. Scanner| |<^. 29|<^. MultiFS| |<^. 33|<^. [[NetFS]]| |<^. 37|<^. [[CDFS]]| |<^. 38|<^. Computer Concepts' CFS| |<^. 43|<^. [[DOSFS]]| |<^. 46|<^. [[ResourceFS]]| |<^. 47|<^. [[PipeFS]]| |<^. 49|<^. IDEFS| |<^. 53|<^. [[DeviceFS]]| |<^. 54|<^. [[ParallelDeviceDriver|Parallel]]| |<^. 56|<^. ArcFS| |<^. 61|<^. PSCompress| |<^. 66|<^. SparkFS| |<^. 77|<^. MirrorFS| |<^. 79|<^. FTP| |<^. 91|<^. Memphis| |<^. 99|<^. [[ShareFS]]| |<^. 101|<^. Computer Concepts' PrintQFS| |<^. 105|<^. HostFS (RedSquirrel)| |<^. 118|<^. CacheFS| |<^. 123|<^. IZipFS| |<^. 136|<^. FlashFS| |<^. 142|<^. raFS| |<^. 153|<^. HostFS (ArcEm/Arculator/RPCEmu)| |<^. 162|<^. TFTP| |<^. 192|<^. SDFS| |<^. 195|<^. Source| |<^. 200|<^. NVMeFS| |<^. &40000000|<^. None [1] ([[OS_Args 0]] only, see notes)| h4. Notes These are codes used for different filing systems. fn1. A bug present in FileSwitch 1.70 to 2.74 inclusive would return the incorrect value for 'None'. Therefore, when checking for 'None' with [[OS_Args 0]] the two values &0 and &40000000 should be considered equivalent. Their codes may be returned by [[Message_FilerOpenDir]]. h6. Controlling sources: "Hdr:FSNumbers":https://gitlab.riscosopen.org/RiscOS/Sources/Programmer/HdrSrc/-/blob/master/hdr/FSNumbers managed by the "allocations manager":/content/allocate h4. See also * [[FileCore FS Descriptor Block]] * [[FileSwitch]] * [[Message Codes]] * [[Message_FilerOpenDir]] * [[*Configure FileSystem|*Configure FileSystem]]