MPE/iX Shell and Utilities Reference Manual, Vol 1

join(1) MPE/iX Shell and Utilities join(1)
PORTABILITY
POSIX.2. x/OPEN Portability Guide 4.0. All UNIX systems.
POSIX considers the –j option to be obsolescent.
MPE/iX NOTES
For information on how the current
MPE/iX implementation may affect the operation of this
utility, see Appendix A, MPE/iX Implementation Considerations.
SEE ALSO
awk(1), comm(1), cut(1), paste(1), sort(1)
Commands and Utilities 1-279