MPE/iX Shell and Utilities Reference Manual, Vol 1

cat(1) MPE/iX Shell and Utilities cat(1)
Message: Unknown option "–option"
Cause: You specified an option that is not valid for cat.
Action: Check the DESCRIPTION section for a list of valid cat options.
Message: write error on standard output: system error
Cause: See syserror(3).
Action: See syserror(3).
PORTABILITY
POSIX.2. x/OPEN Portability Guide 4.0. All UNIX systems.
The –e, –s, –t, and –v options are extensions to the POSIX standard.
SEE ALSO
cp(1), more(1), mv(1)
MPE/iX NOTES
On MPE/iX, cat is available as both a built-in shell utility and an external utility.
For more information on how the current
MPE/iX implementation may affect the operation of
this utility, see Appendix A, MPE/iX Implementation Considerations.
1-82 Commands and Utilities