B

Backbone sites, NNTP, 274

Background jobs, 105–107

explained, 76

and standard I/O, 106–107

Background process, explained, 306

Backquote (′), 127

Backslash (\), 129, 586

BACKSPACE, to correct current line, 66

Backup, 419–423

approaches to, 419–420

with cpio command, 420–421

with tar command, 421–422

using ufsdump, 423–425

Backup plan, 423

Backup strategy, defining, 425

Backup table, 422, 425

bash (Bourne Again) shell, 93–94

configuring, 109–113

history substitution in, 125

setting the line editor, 127

bash command aliases, 120–121

.bash_profile sample file, 110–111

bash variables, 113–117

.bashrc sample file, 111

Basic authentication, 474–475

batch command, 312

bc (basic calculator) command, 578–581

bc operators and functions, 579

BEGIN and END statements, in awk, 626

Bell Labs, 9–10

Berkeley Remote Command security, 249–250

Berkeley Remote Commands, 249–257

bin subdirectory, 116

Binary files, 533

Binary package installation, 460–463

bison tool, 726

Blocks (disk), 80, 403

Blocks (file system), 404

Bookmarking, of links, 291

Boot block, explained, 404

Bourne Again shell. See bash shell

Bourne shell. See sh shell

Braces({}), in Perl, 652

Brackets ([...]), use of, 97

Brackets ([]) operator, 600

break command, 606, 736

Browser wars, 291

BSD (Berkeley Software Distribution), 11–12

BSD variants, 20–21, 39

Bytecode, 730

Bytes, 55