N

Name server, TCP/IP, 498

Named buffers (in vi), 143

Nautilus file manager (GNOME), 177–179

nawk (new awk) program, 618

Nessus program, 491

NetBSD, 20–21

NetBSD 3.0, 21

NetBSD Package Collection, 20

netcat command, 496–497

netcfg utility, 487

Netmask, explained, 486

Netnews, 273

Netnews articles

posting, 283–285

reading, 275–283

Netnews URL, 298

Netpbm, 771

Netscape Mail application, 782

Netscape web browser, 291

netstat utility, 494–496

NetTerm, using to access UNIX System, 530–531

Network, defined, 248

Network addresses, 485–486

Network administration concepts, 483–484

Network classes of service, 485–487

Network drive, 535

Network machine, finding, 504–505

Network provider setup, 487–488

Network safety, 516

Networked mail directories, 507

Networking concepts, 248

new operator, in Java, 737

newfs command, 405

newline, explained, 96

news messages (/usr/news), 387–388

Newsgroup prefixes, 274

Newsgroups, 274–275

how they are organized, 274–275

identifying, 275

moderated, 285

table of, 276

Newsreaders, 273

.newsrc file, 275, 277

NFS (Network File System), 439, 444, 483

administration of, 509–514

features of, 446–447

implementations of, 533–535

secure, 447

security of, 512–513

setting up, 510–512

troubleshooting, 514

NFS maps

direct map, 511–512

indirect map, 512

master map, 511

NFS mounting, 510–512

NFS resources

monitoring remote, 454

mounting remote, 450–452

sharing, 447–450

unmounting remote, 452

unsharing, 449–450

NFS sharing, 510

NIC (network interface card), 487–488

nice command, 313–314

Nine-track tapes, 402

NIS (Network Information Services), 447, 483

NIS client, 447

NIS compatibility mode, 509

NIS domain masters and slaves, 447

NIS servers, 446–447

NIS+, 439, 509

NIS+ servers, 446–447

nl (numbering lines) command, 556

nlsadmin, 488–489

NNTP (Network News Transfer Protocol), 274

noclobber option of set command, 117, 120

nohup (no hang up) command, 107, 319

Nonauthoritative translations (DNS), 505

Nonprinting characters, viewing, 78–79

Nontrusted system, explained, 335

notify option, 120

Novell, 11

nslookup utility, 504–505

Number base, changing, 579

Number functions

in awk, 629

in Perl, 645–646

in Python, 677–679

Numbered buffers (in vi), 144

Nvu HTML editor, 829–830

Nwebmail application, 783