Sun Microsystems manual Typographic Conventions Used in This Guide, AaBbCc123

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Application

Title

 

 

Multitasking Test Tools

Multitasking Quality

 

Test Suite Guide

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Java API Reference

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Native API Reference

 

 

Typographic Conventions Used in This Guide

Typeface

Meaning

Examples

 

 

 

Courier

The names of commands, files,

AaBbCc123

and directories; on-screen

 

computer output

Bold

What you type, when

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contrasted with on-screen

 

computer output

 

Important parts of a code

 

sample

Italic

Book titles, new words or terms,

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words to be emphasized

 

Command-line variable; replace

 

with a real name or value

Edit your .login file.

Use ls -ato list all files.

%You have mail.

%su

Password:

Read Chapter 6 in the User’s Guide.

These are called class options.

You must be super user to do this.

To delete a file, type rm filename.

Preface xi

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Contents Multitasking Guide Page Contents Glossary Index Code Samples Vi Multitasking Guide May Tables Viii Multitasking Guide May Before You Read This Guide PrefaceRelated Documentation How This Guide Is OrganizedAaBbCc123 Typographic Conventions Used in This GuideSun Welcomes Your Comments Accessing Sun Documentation OnlineIntroduction Multitasking Mechanisms Compared With Policies RobustnessMultitasking Guide May Multitasking Safety Multitask Safety and Multithread Safety Global and Static Data Singletons Code Example 2-1Native API for a Microwave Oven Multitasking Safety ExampleTypical usage of this API is shown in Code Example Multithread Safety Code Example 2-5Using the Locking Mechanism Multitask Safety Code Example 2-7Migrating Initialization to Native Code Establishing Per-Task Context Code Example 2-8Keeping State in Java Code Code Example 2-9Implementing the Native ncook Method Kniexport Knireturntypeint Multitasking Safety Multitasking Guide May Managing Native Resources Reservation Resource Management MechanismsLimit Revocation Default Resource Allocation PoliciesCustomization of Resource Allocation Policies Maximum number of tasks isolates allowed Managing Native Resources Multitasking Guide May Switching the Foreground MIDlet Other Multitasking IssuesAlternative Policies and Their Implementations Default PolicyScheduling the CPU Default CPU Scheduling Policy Interrupting the User Default User Notification PoliciesGlossary Java Community ProcessTM Jcptm Glossary Sun Java Device Test Index Multitasking Guide May
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Sun Microsystems, founded in 1982, was a significant player in the computing industry, best known for its innovative technology solutions and workstations, particularly the Sun-4, which represented a key milestone in the company's history. The Sun-4 architecture, launched in 1987, utilized the SPARC (Scalable Processor Architecture) RISC processor, notable for its high performance and scalability.

One of the primary features of Sun Microsystems' platforms was their ability to efficiently handle multitasking and resource management, making them ideal for enterprise-level applications and development environments. Sun-4 workstations boasted impressive graphics capabilities with the addition of advanced graphical user interfaces, support for color displays, and the SUNVIEW windowing system, which enhanced user experience and productivity.

The Sun-4 systems also supported the SunOS operating system, which was based on UNIX. This operating system was engineered for stability and robustness, offering features like multiuser support, networked environments, and advanced security options. Moreover, SunOS provided seamless integration with various programming languages, including C and C++, facilitating software development that aligned with industry standards.

Another standout characteristic of Sun Microsystems was its commitment to open systems and standards. By providing developers with comprehensive tools and environments, such as the Standardized Application Programming Interface (API) and support for networking protocols, Sun facilitated interoperability among different computing platforms. The emphasis on open architecture also meant that customers could easily upgrade their systems without being locked into proprietary solutions.

Sun Microsystems was also ahead of its time with innovations in network computing. Their workstations were among the first to support network file systems and distributed computing concepts, enabling seamless data sharing across multiple systems. With the introduction of the Network File System (NFS), Sun revolutionized how data was accessed and managed across networks, which played a significant role in the evolving landscape of client-server computing.

In summary, the Sun Microsystems 2 and its successive innovations in workstation technology highlighted the company's forward-thinking approach. By integrating powerful performance with open systems, robust operating systems, and advanced networking capabilities, Sun laid the groundwork for modern computing, influencing various sectors from academia to enterprise solutions. Even after its acquisition by Oracle in 2010, the legacy of Sun Microsystems continues to be felt across the computing industry.