W

wait command, 314–315

wait system call, 309

wall command, 387

WAN (wide area network), 440

wc (word count) command, 555–556

Web, 290, 457

dynamic nature of, 794

early days of, 792–794

explained, 290

Web applications, 794, 817–827

Web authoring software, 827–830

Web browsers, 290–300, 439, 781–782

detecting with PHP, 825

explained, 290

history of, 290–291

home pages of, 292–293

invoking ftp from, 261

invoking telnet from, 264

reading Netnews articles, 283

UNIX, 291–293

Web clients, 439, 441, 443

Web development under UNIX, 791–831

Web documents, 295

Web page editors, dedicated, 828–830

Web pages, 290, 827–830

Web security, 514–518

Web servers, 441, 443, 782.

See also Apache web server

explained, 290

features of, 457–458

overview of, 457–458

Web services, 439

Web site, explained, 290

Web standards, history of, 792–795

Webmail, 228

Webmin, 479

while loops, 605, 612

in awk, 631–632

in Perl, 655

in Python, 686–687

who command, 46,100

who -r command, 389

who -u command, 389

Wildcard symbol (*), 65

Wildcards, 64–65

and hidden files, 98

how they work, 98–99

in UNIX vs. DOS, 525

using on the command line, 97–99

Window managers

CDE and KDE, 192

GNOME, 166

Windowed commands, running, 105

Windows, running on a hard disk partition, 540–541

Windows applications on UNIX machines, 531–533, 788

Windows emulators under UNIX, 531–533

Windows file structure, 60

Windows networks, UNIX servers in, 535–536

Windows NT versions, UNIX system and, 30–33

Windows PC

accessing UNIX files from, 533–535

installing a UNIX variant on, 38–39

running UNIX applications on, 536–540

X Window server on, 536–537

Windows and UNIX (used together), 521–544

networking the machines, 528

sharing files and applications, 533–536

sharing one machine, 540–542

Windows and UNIX (compared)

basic features, 527–528

command line, 523–525

common commands, 524

differences between, 522–528

environment, 526

GUIs, 523

similarities between, 528

terminal emulation, 529–531

Wine emulator, 532

winfiles (UNIX file), 535

Win4Lin emulator, 532

WING e-mail application, 783

Wingz program, 765

WinSock (Windows Sockets), 533

Word processing software, 761

Working buffers (in vi), 143–144

Worms, 350–351, 516

Writable CD-ROMs, 403

write command, 47

Write permissions, 81

WS_FTP session, 534

WWW (World Wide Web). See Web