NULL(4,F) AIX Technical Reference NULL(4,F) ------------------------------------------------------------------------------- null PURPOSE Provides a null device. DESCRIPTION The null file is a pseudo-device driver file with no associated hardware. It is found in all AIX systems. Data written to this file is discarded. Reads from this file always return 0 bytes. Use this file to read or write null data as required. FILE /dev/null Processed November 7, 1990 NULL(4,F) 1