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I/O (input/output), 21–22
ICMP (Internet Control Message Protocol), 313–15
if statements, 43–45
comparisons in, 40, 45–46
if, 42–43
if defined/if not defined, 44
if else, 43
if not, 42, 44
nesting, 44–45
Information events, 104
infrastructure master role, 233–34
input redirection (<), 21–22
input/output (I/O), 21–22
InsertMode, 9
integer arithmetic, 40
interactive mode
MS-DOS command shell, 8
Windows command shell, 5
interface ip
delete ARPCACHE, 307
show CONFIG, 309
show ICMP, 313–14
show INTERFACE, 302, 311–12
show IPADDRESS, 311
show IPSTATS, 316–17
show TCPCONN, 318
show TCPSTATS, 319
show UDPCONN, 320
show UDPSTATS, 321
interfaces, computer, 310
internal commands
MS-DOS command shell, 8–9
syntax of, 7
Windows command shell, 6–8
Internet Control Message Protocol (ICMP), 313–15
IP addresses
adding new, 303
configuration, 310–13
dynamic, 302–3
static, 301–2
IP configuration, troubleshooting, 335–36
IP datagrams
fragmentation and reassembly, 316–17
statistics, 313–14
ipconfig, 308
iteration statements
directories, 49–50
groups of files, 48–49
parsing file content and output, 50–53
series of values, 47–48
for statements, 46–47
iterator (for), 46
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