MPE/iX Shell and Utilities Reference Manual, Vol 1

callci(1) MPE/iX Shell and Utilities callci(1)
MPE/iX NOTES
callci is available as both a built-in shell utility and an external utility.
For information on how the current MPE/iX implementation may affect the operation of this
utility, see Appendix A, MPE/iX Implementation Considerations.
1-80 Commands and Utilities