R

T

T1 lines, 619

tables, NIS+

list of, 480-483

populating, 483-484

tail command, 225

talk service, 590

tape archive (tar) command, 237, 289-292

tape media, 352-353

backups and, 286

booting from, 60-61

as storage device, 351-352

tar (tape archive) command, 237, 289-292

TCP/IP protocol suite, 584-585

TCP (Transmission Control Protocol), 588-589, 657-659

connection-orientation of, 658

features of, 657

IP support for, 41

packet transfer with, 623

ports, 658-659

setting parameters with ndd, 385-386

TCP wrappers

protecting telnet, 326

security uses of, 162-163

syslogd and, 396

tcsh (Cornell shell), 40

telnet, 325-330

client access, 325

client commands, 327

connectivity testing, 329-330

display command, 327-328

help facility, 326

monitoring active services, 146-147

remote access and, 140

rlogin and, 328

rsh and, 329

security vulnerabilities of, 141

sessions, 325-326

status command, 328

test command, 61

test facility, Bourne shell, 233

text manipulation, UNIX systems, 6

text processing utilities, 299-303. See also vi (visual editor)

awk and, 306-308

cat command, 299-300, 302

diff command, 303

filename extensions and, 303

grep command, 301

more command, 301

operators used for, 301-302

Q & A, answers, 315-316

Q & A, questions, 313-315

sed and, 304-307

sort command, 302-303

tail command, 300

Thompson, Ken, 8, 25

tickets, Kerberos, 332

time. See NTP (Network Time Protocol)

Time Sharing (TS) priority class, 537

time zones, 83

time stamps, 702, 704

tip command, 338-339, 341

TLI (Transport Layer Interface), 337

tmpfs, 40

top program, 174-176

topologies, networking, 580-582, 605

traceroute command

displaying packet route with, 642

FTP troubleshooting, 384

network troubleshooting, 593-594

Transmission Control Protocol. See TCP (Transmission Control Protocol)

Transport Layer

Apache web server configuration, 677-683

e-mail protocols, 660

IMAP, 663-664

m4 configuration of sendmail, 671-674

mail headers, 664-665, 675-676

mail transport, 665-668

MIME, 676-677

POP, 662-663

running sendmail, 668-669

sendmail, 659-660

SMTP, 660-662, 674-676

TCP and UDP and, 657-659

troubleshooting sendmail, 669-671

Transport Layer Interface (TLI), 337

Triple DES, 330

troubleshooting

booting, 63

file systems, 195-200

FTP, 383

networking, 593-595

sendmail, 669-671

truss command, 429

truss program, 176-178

Trusted Solaris, 497-498

decentralization of authority, 540

strict security controls, 539

system management roles, 540

TS (Time Sharing) priority class, 537

ttyadm command, 339-340

ttymon port monitor, 339-340

tunefs command, 263-264

tuning performance, 412-414

twisted-pair cable, 601