T A B L E O F C O N T E N T S 1 INTRODUCTION 7 1.1 PURPOSE 7 1.2 SCOPE 7 1.3 APPLICABLE DOCUMENTS 7 1.4 REFERENCE DOCUMENTS 7 1.5 ABBREVIATIONS AND ACRONYMS 7 1.6 STYLISTIC CONVENTIONS 8 2 USERS GUIDE 9 2.1 Introduction 9 2.2 Disk Space Monitoring 9 2.2.1 istDiskSpace(3) 9 2.2.2 istDiskMon(n) 10 2.3 MIDAS Table to OLDB conversion 11 2.4 Widgets for Instrument Control 12 2.4.1 ist3State(n) 12 2.4.2 Support procedures 14 3 REFERENCE 17 3.1 PROGRAMS 17 3.2 FUNCTIONS 19 4 COMPILATION AND INSTALLATION 29 5 ERRORS 31 6 INCLUDE FILE 33