You have come upon the archive of information starting with the letter H. For some time CKnow was not collecting acronyms and definitions but now is. This page shows the older entries with links to the current pages. Use the links below to jump to a specific entry in the archive. A more complete list of all current and archived acronyms and definitions is here.

• HAL = Hardware Abstraction Layer
• HD = High Density
• HDD = Hard Disk Drive
• HDLC = High-level Data Link Control
• HDML = Handheld Device Markup Language
• HDR = High Data Rate
• HDTV = High-Definition Television
• HFS = Hierarchical Filing System
• HMA = High Memory Area
• HMD = Head-Mounted Display
• HP = Hewlett-Packard
• HP-GL = Hewlett-Packard Graphics Language
• HPAS = Hypermedia Presentation and Authoring System
• HPFS = High Performance File System
• HSL = Hypermedia Synchronization Language
• HSM = Hierarchical Storage Management
• HTML = Hypertext Markup Language
• HTTP = Hypertext Transfer Protocol
• HTTPD = Hypertext Transfer Protocol Daemon (Server)