All of these commands except [[#OpenLibraryAppletProxy]] take the same input as [[#OpenApplicationProxy]], with the same user-process retry-loop as [[#OpenApplicationProxy]].
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All of these commands except [[#OpenLibraryAppletProxy]] take the same input as [[#OpenApplicationProxy]], with the same user-process retry-loop as [[#OpenApplicationProxy]]. These Open*Proxy commands (including appletOE) doesn't seem to usable from processes which aren't actual applets (such as sysmodules), at least for applet-types which aren't already in use.
This service is used by all system non-regular-applications.
This service is used by all system non-regular-applications.