E

EAL certifications, xi Eckert, Jason, 733

ECN (Enhanced Congestion Notification), 609 editing partitions, 389

text, with vi and emacs, 61 -62 users and groups with YaST, 249-253 editor macros. See emacs (editor macros) effective roots, defined, 332 EHLO (Postfix), 477 emacs (editor macros)

calendar function, 314-315 command completion/history, 312 commands, 310 correction commands, 311 customizing, 315 defining functions, 317

file associations, 317 help and support, 318 installing, 308

key bindings, changing, 315-316 modes, 312-314, 316 navigating, 310-311 overview of, 307-308 replacing text, 311 searching, 311 setting variables, 316 starting from command line, 308-310 text editor, 61-62, 265 undo command, 311 word completion, 311-312 XML files and, 365 email. See also mail; mail servers MDAs, 467. See also IMAP; POP3 MUAs, 467 embedded systems, Linux and, 660 emulation and virtualization. See also virtualization bochs emulation, 691-692 dosemu and dosbox emulation, 684-686 emulation, defined, 683 emulation vs. virtualization, 683 -684 other emulators, 709 -710 wine and emulation, 686-691 encapsulation, defined, 163 Enhanced Congestion Notification (ECN), 609 enscript command, 291 enterprise architecture, 657-681 defined, 657

disaster recovery. See disaster recovery (DR) example of, 658 failover, 680-681

hardware for. See Linux enterprise hardware Linux, deploying, 660-661

enterprise architecture, (continued) Linux, where to use, 659-660 placement of services, 666-670 staff requirements, 661 storage area networks. See storage area networks (SAN) virtualization, 675-676 -environment variable, 51 environment variables, 50-53 error log (CUPS), 536 error messages output stream, 55 Squid, 647 escape sequences, 62 ESTABLISHED connection packet, 606 evince file viewer, 296 Evolution basics of, 499, 729 mail client (GNOME), 215 Excel files, 366 Exim, 491

expand command, 273

expert mode (Runlevel Editor), 247-248

Expert Tools (YaST), 383-384, 390

expiration time (DNS servers), 565

Explore2fs utility, 133

exportfs command (NFS), 582-583

exports file (NFS), 580-582

EXT2 filesystem background, 88-89 creating, 93-94 mounting, 98-100 standard, 89

upgrading to EXT3, 95-96 EXT3 filesystem creating, 94-95 mount options, 99-100

standard, 89

upgrading EXT2 to, 95-96 extended partitions basics of, 17-18, 78 creating, 83-84 extended regular expressions, 277-278 Extensible Markup Language. See XML (Extensible Markup Language) extracting files from packages, 71-72

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