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Index: Symbols and Numbers

Symbols

&& operator: 5.4.2.4.4. Compound filters. (Network Troubleshooting Tools)
$- symbol (sendmail pattern matching): 10.6.1. Pattern Matching (TCP/IP Network Administration)
& (ampersand), automounter maps: 9.4.1. Key substitutions (Managing NFS and NIS)
-- (double dash): 4.1.5.1. Configuration standards (SSH, The Secure Shell)
/* */ comments: 4.3. Setting Up a BIND Configuration File (DNS and Bind)
*: (asterisk, colon): 5.3.1. Server Configuration Files (SSH, The Secure Shell)
* (asterisk) wildcard: 6.2.2. nmap (Network Troubleshooting Tools)
5.3.1. Server Configuration Files (SSH, The Secure Shell)
5.5.2.2. Group access control (SSH, The Secure Shell)
\\ (backslashes), in scripts: 9.2.2. OpenView Graphing (Essential SNMP)
: (colon)
in /etc/shadow file fields: 3.2.2. Installing the NIS master server (Managing NFS and NIS)
in output: 8.1. Retrieving a Single MIB Value (Essential SNMP)
# (comment line indicators): 7.3.5.1. Simple configuration (Essential SNMP)
13.1. Using MRTG (Essential SNMP)
// comments: 4.3. Setting Up a BIND Configuration File (DNS and Bind)
::= (definition operators): 2.3.1. Naming OIDs (Essential SNMP)
. dot
local domain name and: 6.1.1. The Local Domain Name (DNS and Bind)
ndots option: E.5.6. options ndots (4.9+) (DNS and Bind)
ndots setting for: 6.1.6. The options Directive (DNS and Bind)
indicating root node: 1.3. The Domain Name System in a Nutshell (DNS and Bind)
separating domain name labels: 1.3. The Domain Name System in a Nutshell (DNS and Bind)
separating names with: 2.3.1. Naming OIDs (Essential SNMP)
trailing: 4.2.4. SOA Records (DNS and Bind)
6.1.2. The Search List (DNS and Bind)
importance of not omitting: 4.4.1. Appending Domain Names (DNS and Bind)
indicating absolute domain name: 2.1.1. Domain Names (DNS and Bind)
A.1. Master File Format (DNS and Bind)
troubleshooting: 14.3.6. Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
! operator: 5.4.2.4.4. Compound filters. (Network Troubleshooting Tools)
! (exclamation points)
in filenames: 9.2.3.1. Designing collections (Essential SNMP)
logical NOT symbols: 6.1.5.2. Filters (Essential SNMP)
! flag (Linux routing table): 2.4. The Routing Table (TCP/IP Network Administration)
// (forward slashes), comment lines in filters: 6.1.5. Using OpenView Filters (Essential SNMP)
# hash mark: 4.3. Setting Up a BIND Configuration File (DNS and Bind)
5.3.1. Server Configuration Files (SSH, The Secure Shell)
|| operator: 5.4.2.4.4. Compound filters. (Network Troubleshooting Tools)
|| (logical OR symbols): 6.1.5.2. Filters (Essential SNMP)
- (minus signs), in streams: B.1. Using External Data (Essential SNMP)
@ notation: 4.4.2. The @ Notation (DNS and Bind)
A.1. Master File Format (DNS and Bind)
? option (arp module): 5.1.1. Using Dynamically Loadable Modules (TCP/IP Network Administration)
( ) parentheses: 4.2.4. SOA Records (DNS and Bind)
A.1. Master File Format (DNS and Bind)
+ (plus sign), maps and: 3.3.4. Integrating NIS maps with local files (Managing NFS and NIS)
9.3.1. Mixing NIS and files in the same map (Managing NFS and NIS)
# pound sign: 4.3. Setting Up a BIND Configuration File (DNS and Bind)
6.1.7. Comments (DNS and Bind)
? (question mark):
as wildcard: 5.5.2.2. Group access control (SSH, The Secure Shell)
in router commands: 7.3.6. Cisco Devices (Essential SNMP)
" (quotation marks), for empty strings: C.3.6. snmptrap (Essential SNMP)
; semicolon
starting comments: 4.2.2. Comments (DNS and Bind)
4.3. Setting Up a BIND Configuration File (DNS and Bind)
A.1. Master File Format (DNS and Bind)
(DNS and Bind) E.5.4. ; and # (4.9+)
in resolv.conf file comments: 6.1.7. Comments (DNS and Bind)
# (sharp sign)
automounter comments: 9.1.4. NFS Automounter (TCP/IP Network Administration)
host table comments: 3.2. The Host Table (TCP/IP Network Administration)
inittab file comments: 5.2.1.1. Understanding /etc/inittab (TCP/IP Network Administration)
/ slash: 1.3. The Domain Name System in a Nutshell (DNS and Bind)
2.1. The Domain Name Space (DNS and Bind)
$@ symbol (sendmail pattern matching): 10.6.1. Pattern Matching (TCP/IP Network Administration)
$ symbol (sendmail transformation): 10.6.2. Transforming the Address (TCP/IP Network Administration)
~ (tilde), default escape character: 2.3.2. The Escape Character (SSH, The Secure Shell)
_ underscore: 4.5. Host Name Checking (BIND 4.9.4 and Later Versions) (DNS and Bind)

Numbers

10/100 cards: A. Using Input and Output Octets (Essential SNMP)
80-20 and 90-10 Rules: 8.3.1.2. Web mode (Network Troubleshooting Tools)
32-bit IPv4 addresses: 2.3.2. Defining OIDs (Essential SNMP)
128-bit IPv6 addresses: 2.3.2. Defining OIDs (Essential SNMP)
127.0.0.1 (loopback address): 9.2.4.2. Access control and the loopback address (SSH, The Secure Shell)


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