/sys$common/syshlp/helplib.hlb
Sys Files, [SYS$LDR], SYS$SCS_MON.EXE
 *Conan The Librarian 

    The MON image of SYS$SCS.EXE, which provides system communication
    services for clusters.  The MON image is loaded when SYSTEM_CHECK=1;
    it performs extra sanity checking during operation.
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