.if n .pH po.Cchap1 @(#)Cchap1	40.6
.BK "Product Overview and Master Index" "" "" ""   
.\ACRONYM	                  
.CH "Product Overview" "" "Table of Contents" "1"
.\CHAPTER	1
.tC 1 "About This Manual" 1-1  
.tC 1 "Introduction to the UNIX Operating System" 1-2  
.tC 2 "A Brief History" 1-2  
.tC 2 "The Structure of the UNIX System" 1-3  
.tC 3 "The Kernel" 1-3  
.tC 3 "The Shell" 1-4  
.tC 3 "The File System" 1-4  
.tC 2 "Benefits of the UNIX System" 1-5  
.tC 3 "Power and Flexibility" 1-5  
.tC 3 "Portability" 1-6  
.tC 2 "Recommended Reading" 1-7  
.tC 1 "Introduction to Release 4.0" 1-8  
.tC 2 "Standardization and Unification" 1-8  
.tC 3 "BSD Convergence" 1-8  
.tC 3 "XENIX System Compatibility" 1-9  
.tC 3 "POSIX Conformance" 1-10  
.tC 3 "Device-Kernel Interface/Device Driver Interface" 1-10  
.tC 3 "SVID Publication" 1-10  
.tC 2 "Release 4.0 Features" 1-11  
.tC 3 "Operating System Enhancements" 1-11  
.tC 3 "File System Enhancements" 1-15  
.tC 3 "Networking" 1-17  
.tC 3 "System Administration and Maintenance" 1-20  
.tC 3 "Real-Time Processing" 1-21  
.tC 3 "Character-Based User Interface" 1-22  
.tC 3 "Graphical User Interface and Windowing System" 1-23  
.tC 3 "Internationalization" 1-24  
.tC 3 "C Language" 1-24  
.tC 3 "Extended Terminal Interface" 1-25  
.tC 1 "Product Description" 1-26  
.tC 2 "Utilities Packages" 1-26  
.tC 3 "BSD Compatibility Package" 1-27  
.tC 3 "Basic Networking Utilities" 1-28  
.tC 3 "C Programming Language Utilities" 1-28  
.tC 3 "Directory and File Management Utilities" 1-29  
.tC 3 "Distributed File System Administration Utilities" 1-29  
.tC 3 "Editing Utilities" 1-29  
.tC 3 "Encryption Utilities (CRYPT)" 1-30  
.tC 3 "Essential Boot Utilities" 1-30  
.tC 3 "Essential Utilities" 1-30  
.tC 3 "Ethernet Media Driver Utilities" 1-31  
.tC 3 "Extended Software Generation System Utilities" 1-31  
.tC 3 "FACE Utilities" 1-31  
.tC 3 "Inter-Process Communication (IPC) Utilities" 1-31  
.tC 3 "Internet Utilities" 1-31  
.tC 3 "Line Printer (LP) Spooling Utilities" 1-32  
.tC 3 "Network File System Utilities" 1-33  
.tC 3 "Networking Support Utilities" 1-33  
.tC 3 "Graphical User Interface and Windowing System Utilities" 1-33  
.tC 3 "Remote File Sharing Utilities" 1-34  
.tC 3 "Remote Procedure Call Utilities" 1-34  
.tC 3 "Spell Utilities" 1-34  
.tC 3 "System Administration Utilities" 1-34  
.tC 3 "System Header Files" 1-35  
.tC 3 "System Performance Analysis Utilities (SPAU)" 1-35  
.tC 3 "Terminal Information Utilities" 1-35  
.tC 3 "UFS Utilities" 1-35  
.tC 3 "User Environment Utilities" 1-36  
.tC 3 "Windowing Utilities" 1-36  
.tC 3 "XENIX Compatibility Package" 1-36  
.tC 2 "The Release 4.0 Document Set" 1-37  
.tC 3 "Product Overview and Master Index" 1-40  
.tC 3 "User's Guide" 1-40  
.tC 3 "User's Reference Manual" 1-40  
.tC 3 "System Administrator's Guide" 1-40  
.tC 3 "System Administrator's Reference Manual" 1-41  
.tC 3 "Network User's and Administrator's Guide" 1-41  
.tC 3 "Programmer's Guide: ANSI C and Programming Support Tools" 1-41  
.tC 3 "Programmer's Guide: System Services and Application Packaging Tools" 1-41  
.tC 3 "Programmer's Guide: Character User Interface (FMLI and ETI)" 1-41  
.tC 3 "Programmer's Guide: OPEN LOOK\(tm Graphical User Interface" 1-42  
.tC 3 "Programmer's Guide: XWIN\(tm Graphical Windowing System" 1-42  
.tC 3 "Programmer's Guide: X11/NeWS\(rg Graphical Windowing System" 1-42  
.tC 3 "Programmer's Guide: POSIX Conformance" 1-43  
.tC 3 "Programmer's Guide: Networking Interfaces" 1-43  
.tC 3 "Programmer's Reference Manual" 1-43  
.tC 3 "Programmer's Guide: STREAMS" 1-44  
.tC 3 "Device Driver Interface/Driver-Kernel Interface (DDI/DKI) Reference Manual" 1-44  
.tC 3 "Programmer's Guide: Porting the Kernel (Proprietary)" 1-44  
.tC 3 "Programmer's Guide: Porting the XWIN\(tm Server (Proprietary)" 1-44  
.tC 3 "Programmer's Guide: Porting the X11/NeWS\(rg Server (Proprietary)" 1-44  
.tC 3 "Migration Guide" 1-45  
.tC 3 "ANSI C Transition Guide" 1-45  
.tC 3 "Software Notes" 1-45  
.tC 3 "BSD/XENIX\(rg Compatibility Guide" 1-45  
.tC 3 "Release-Specific Documents Only for Source Code Licensees (Proprietary)" 1-46  
.tC 1 "Related Products" 1-47  
