- Conventions used in this guide
, File Permissions
- special character, General Shell Tips , Standard Wildcards (globbing patterns)
- special characters, General Shell Tips
- special symbols, General Shell Tips
- specialcharacter, Regular Expressions
- specific, Introduction , Resources used to create this document , Usage , Date/Time/Calendars , Mini-Guides
- specifically, Disclaimer , Text Conversion/Filter Tools
- specified, Standard Wildcards (globbing patterns)
- specifies, Scheduling Commands to run in the background , Standard Wildcards (globbing patterns) , Regular Expressions
- specify, Controlling Processes , Text manipulation tools , Network Commands , File Permissions , Scheduling Commands to run in the background
- speed, Other Key combinations
- spell, The Unix Tools Philosophy , Text manipulation tools
- spelling, The command-line history
- spend, Text Related Tools
- split, Working with files and folders
- Splits, Working with files and folders
- square, Regular Expressions
- squeeze, Text manipulation tools
- SS64.com list of commands, General Further Reading
- ssh, Virtual Terminals and screen , Remote Administration Related
- sshd, Controlling services
- standard, Conventions used in this guide , Mass Rename/copy/link Tools , Text manipulation tools , Mathematical tools , Miscellaneous
- Standard error, Concept Definitions
- Standard input, Concept Definitions , Usage , Mathematical tools
- Standard output,

