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Index: Symbols and Numbers

Symbols

• && operator: Compound filters. (Network Troubleshooting Tools)
• $- symbol (sendmail pattern matching): Pattern Matching (TCP/IP Network Administration)
• & (ampersand), automounter maps: Key substitutions (Managing NFS and NIS)
• -- (double dash): Configuration standards (SSH, The Secure Shell)
• /* */ comments: Setting Up a BIND Configuration File (DNS and Bind)
• *: (asterisk, colon): Server Configuration Files (SSH, The Secure Shell)
• * (asterisk) wildcard: nmap (Network Troubleshooting Tools)
• • Server Configuration Files (SSH, The Secure Shell)
  • Group access control (SSH, The Secure Shell)
• \\ (backslashes), in scripts: OpenView Graphing (Essential SNMP)
• : (colon)
• • in /etc/shadow file fields: Installing the NIS master server (Managing NFS and NIS)
  • in output: Retrieving a Single MIB Value (Essential SNMP)
• # (comment line indicators): Simple configuration (Essential SNMP)
• • Using MRTG (Essential SNMP)
• // comments: Setting Up a BIND Configuration File (DNS and Bind)
• ::= (definition operators): Naming OIDs (Essential SNMP)
• . dot
• • local domain name and: The Local Domain Name (DNS and Bind)
  • ndots option: options ndots (4.9+) (DNS and Bind)
  • ndots setting for: The options Directive (DNS and Bind)
  • indicating root node: The Domain Name System tutorial (DNS and Bind)
  • separating domain name labels: The Domain Name System tutorial (DNS and Bind)
  • separating names with: Naming OIDs (Essential SNMP)
  • trailing: SOA Records (DNS and Bind)
  • • The Search List (DNS and Bind)
    • importance of not omitting: Appending Domain Names (DNS and Bind)
    • indicating absolute domain name: Domain Names (DNS and Bind)
    • • Master File Format (DNS and Bind)
    • troubleshooting: Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
• ! operator: Compound filters. (Network Troubleshooting Tools)
• ! (exclamation points)
• • in filenames: Designing collections (Essential SNMP)
  • logical NOT symbols: Filters (Essential SNMP)
• ! flag (Linux routing table): The Routing Table (TCP/IP Network Administration)
• // (forward slashes), comment lines in filters: Using OpenView Filters (Essential SNMP)
• # hash mark: Setting Up a BIND Configuration File (DNS and Bind)
• • Server Configuration Files (SSH, The Secure Shell)
• || operator: Compound filters. (Network Troubleshooting Tools)
• || (logical OR symbols): Filters (Essential SNMP)
• - (minus signs), in streams: Using External Data (Essential SNMP)
• @ notation: The @ Notation (DNS and Bind)
• • Master File Format (DNS and Bind)
• ? option (arp module): Using Dynamically Loadable Modules (TCP/IP Network Administration)
• ( ) parentheses: SOA Records (DNS and Bind)
• • Master File Format (DNS and Bind)
• + (plus sign), maps and: Integrating NIS maps with local files (Managing NFS and NIS)
• • Mixing NIS and files in the same map (Managing NFS and NIS)
• # pound sign: Setting Up a BIND Configuration File (DNS and Bind)
• • Comments (DNS and Bind)
• ? (question mark):
• • as wildcard: Group access control (SSH, The Secure Shell)
  • in router commands: Cisco Devices (Essential SNMP)
• " (quotation marks), for empty strings: snmptrap (Essential SNMP)
• ; semicolon
• • starting comments: Comments (DNS and Bind)
  • • Setting Up a BIND Configuration File (DNS and Bind)
    • Master File Format (DNS and Bind)
    • (DNS and Bind) E.5.4. ; and # (4.9+)
  • in resolv.conf file comments: Comments (DNS and Bind)
• # (sharp sign)
• • automounter comments: NFS Automounter (TCP/IP Network Administration)
  • host table comments: The Host Table (TCP/IP Network Administration)
  • inittab file comments: Understanding /etc/inittab (TCP/IP Network Administration)
• / slash: The Domain Name System tutorial (DNS and Bind)
• • The Domain Name Space (DNS and Bind)
• $@ symbol (sendmail pattern matching): Pattern Matching (TCP/IP Network Administration)
• $ symbol (sendmail transformation): Transforming the Address (TCP/IP Network Administration)
• ~ (tilde), default escape character: The Escape Character (SSH, The Secure Shell)
• _ underscore: Host Name Checking (BIND 4.9.4 and Later Versions) (DNS and Bind)

• Numbers

• 10/100 cards: Using Input and Output Octets (Essential SNMP)
• 80-20 and 90-10 Rules: Web mode (Network Troubleshooting Tools)
• 32-bit IPv4 addresses: Defining OIDs (Essential SNMP)
• 128-bit IPv6 addresses: Defining OIDs (Essential SNMP)
• 127.0.0.1 (loopback address): Access control and the loopback address (SSH, The Secure Shell)

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