E

echo command, 150

echo statement, loops , 502

emacs, 260

command-line editing and, 157

Web pages, 369

e-mail

attachments, 385

Evolution, 122, 365, 386, 388

HTML, 385

Kmail, 384

mail command, 392

mail readers, 391

mutt, 391

overview, 385

pine, 392

readers, 97

servers, 1025

text-based programs, 391

Thunderbird, 384, 389, 391

emulators, Windows applications, 236

encrypt passwords option, Samba, 770

encryption

passwords, Samba, 763, 765

VPNs, 704

EndPoints Webcams, 348

environment variables

command line completion, 159

/etc/profile, 483

expanding, 165

setting, 167

shell, 153

equipment, LANs, 638

ErrorLog directive, httpd.conf file, 855, 878

Esc command, vi text editor, 186

/etc directory

adjtime configuration file, 422

administration and, 422

aliases configuration file, 422

bashrc configuration file, 422

cdrecord.conf configuration file, 422

crontab configuration file, 422

csh. cshrc configuration file, 422

exports configuration file, 422

fedora-release configuration file, 422

fstab configuration file, 422

group configuration file, 422

gshadow configuration file, 422

host.conf configuration file, 422

hosts configuration file, 423

hosts.allow configuration file, 423

hosts.deny configuration file, 423

inittab configuration file, 423

issue configuration file, 423

issue.net configuration file, 423

mail.rc configuration file, 423

man.config configuration file, 423

modprobe .conf configuration file, 423

mtab configuration file, 423

mtools.conf configuration file, 423

named.conf configuration file, 423

ntp.conf configuration file, 423

passwd configuration file, 423

printcap configuration file, 423

protocols configuration file, 423

redhat-release configuration file, 423

resolv.conf configuration file, 423

rpc configuration file, 424

services configuration file, 424

shadow configuration file, 424

shells configuration file, 424

sudoers configuration file, 424

syslog.conf configuration file, 424

termcap configuration file, 424

/etc/alternatives directory, administration and, 424

/etc/amanda directory, administration and, 424

/etc/bashrc file, 482

/etc/cron* directory, administration and, 424

/etc/crontab, field values, 537

/etc/cups directory, administration and, 425

/etc/default directory, administration and, 425

/etc/exports file

file system sharing and, 748

NFS sharing and, 750–753

access options, 752

hosts, 751

IP network, 751

mapping options, 752

NIS groups, 752

TCP/IP domain, 752

/etc/fstab file, disk quotas, 493

/etc/group file, 473

/etc/httpd directory, administration and, 425

/etc/init.d directory, administration and, 425

/etc/login.defs file, 477

/etc/mail directory, administration and, 425

/etc/named.conf file, DNS server, 975

/etc/passwd file, 473

/etc/pcmcia directory, administration and, 425

/etc/postfix directory, administration and, 425

/etc/ppp directory, administration and, 425

/etc/rc?.d directory, administration and, 425

/etc/samaba/smb.conf file, 761

/etc/security directory, administration and, 425

/etc/skel directory, administration and, 425

/etc/squid directory, administration and, 425

/etc/squid/squid.conf file, modifying, 711–715

/etc/sysconf directory, administration and, 425

/etc/uucp directory, administration and, 425

/etc/vsftpd directory, administration and, 425

/etc/X11 directory, administration and, 424

/etc/xinetd.d directory, administration and, 426

/etct/squid/squid.conf file

caching and, 713–714

port numbers , 714

Evolution e-mail client, 365, 384, 386, 388

calendars, 386

contacts, 386

Exchange, 386

preferences, 387–388

receiving messages, 388–389

tasks , 386

Exchange, Evolution and, 386

exportfs command, 753

exporting

file system sharing and, 748

file systems, NFS sharing and, 753–754

ext file system, 437

ext2 file system, 437

ext3 file system, 437

extensions, Firefox, 378–379

extract command, backup restore and, 566