- SCSI (Small Computer System Interface)
A fast communications bus that allows multiple devices to be connected to a computer.
- SDP (Session Description Protocol)
Protocol used with QuickTime Streaming Server; an SDP file contains information about the format, timing, and authorship of the live streaming broadcast.
- search domain
Domain that provides the TCP/IP configuration with a domain name or list of domain names to use in the event that one is not specified in an IP search or request.
- Section 508
The section of the U.S. Rehabilitation Act that requires any electronic information developed, procured, maintained, or used by the federal government to be accessible to people with disabilities.
- Secure Empty Trash
A Mac OS X 10.4 feature that repeatedly overwrites deleted files when the Trash is emptied, making the files nearly impossible to recover.
- share point
A server volume that can be mounted by a network user.
- sheet
Modal dialog attached to a particular document window.
- single-user mode
Mode in which Mac OS X is started without the multiuser components or graphical user interface. Single-user mode is enabled by pressing Command-S at startup.
- SLP (Services Location Protocol)
A networking protocol used to discover and advertise TCP/IP-based services, such as personal file sharing, personal web sharing, or USB printer sharing. Some of these discovered services are viewed in the Finder by choosing Go > Connect to Server (Command-K).
- SMB (Server Message Block)
A networking protocol that allows a computer on a network to access Windows and Samba file servers and view the items on them as though they were stored locally.
- SMTP (Simple Mail Transfer Protocol)
A networking protocol used to send electronic mail using a mail server.
- Spotlight
Desktop search technology introduced in Mac OS X 10.4 for searching file data and metadata.
- SSH
Program to log in to another computer over a TCP/IP network, and execute commands on the remote computer. SSH provides authentication and secure communications over unsecure channels.
- SSL (Secure Sockets Layer)
An Internet protocol that allows you to send encrypted, authenticated information across the Internet.
- standard user
A user account type in which a user can use a basic set of applications and tools. It is limited to making configuration changes that only affect the user's own account; a standard user cannot make changes to system-wide settings or use Directory Setup and NetInfo Manager to change configurations. Also called normal user.
- subnet mask
A filter used to determine what part of an IP address identifies a network and what part identifies an individual host machine.
- superuser
Another name for root. - See also [root (user)]
- System Administrator
Long name for root. - See also [root (user)]
- System Preferences
Application used to configure system settings and preferences in Mac OS X.
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