Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] # (pound sign) 2nd 3rd #! sequence $ (dollar sign) 2nd 3rd 4th 5th $ command (vi) $? variable $_ variable $dbh- 2nd $queryh- % (modulus operator) % (percent sign) 2nd 3rd 4th % command (vi) & (ampersand) 2nd 3rd && (AND operator) ( command (vi) ) command (vi) * (asterisk) 2nd 3rd 4th * (multiplication operator) *** Error code 1 -f option (shell commands) -i option (shell commands) -q option (shell commands) -v option (shell commands) ./ prefix .bash_logout file .bashrc file .class extension .cshrc file 2nd .forward file .htaccess file .html extension .jar extension .login file 2nd .logout file .pm extension .profile file 2nd .pyc files .sh file extension .shrc file .shtml extension .xinitrc file 2nd 3rd applications, starting automatically background colors, setting background images, setting window managers, changing / (root) directory / (slash) 2nd 3rd / command (vi) /bin directory 2nd /boot directory 2nd /boot/device.hints file /dev directory 2nd /dev/cuad0 option (/etc/ppp/options file) /etc directory 2nd /etc/amd.conf /etc/csh.login /etc/defaults/rc.conf /etc/dhclient.conf /etc/firewall.conf /etc/fstab /etc/ftpchroot /etc/ftphosts 2nd /etc/ftpmotd /etc/ftpusers /etc/ftpwelcome /etc/group 2nd /etc/host.conf /etc/hosts /etc/hosts.allow 2nd /etc/inetd.conf 2nd /etc/login.conf /etc/mail/access /etc/mail/aliases /etc/mail/freebsd.mc /etc/mail/local-host-names /etc/mail/mailer.conf /etc/mail/sendmail.cf /etc/mail/virtusertable /etc/make.conf /etc/master.passwd 2nd /etc/namedb /etc/namedb/named.conf /etc/netgroup /etc/netstart /etc/networks /etc/pam.d /etc/passwd 2nd /etc/periodic/security /etc/ppp/chap-secrets /etc/ppp/options /etc/ppp/pap-secrets /etc/printcap /etc/profile /etc/protocols /etc/rc.conf 2nd 3rd 4th 5th 6th /etc/rc.d 2nd /etc/rc.d/devfs /etc/rc.local 2nd /etc/rc.subr /etc/resolv.conf 2nd /etc/rpc /etc/services /etc/shells /etc/skey.access /etc/ttys /etc/vinum.conf /etc/X11/xorg.conf /etc/shells 2nd /home directory 2nd 3rd /mnt directory /modules directory /pattern command (vi) /proc directory /rescue directory /root directory /sbin directory 2nd /tmp directory 2nd /usr directory 2nd /usr/local 2nd /usr/local/crack /usr/local/etc /usr/local/etc/apache2x/extra /usr/local/etc/rc.d/ /usr/local/pgsql/pg_hba.conf /usr/local/www /usr/local/X11R6/etc /usr/obj /usr/ports /usr/ports/security/crack /usr/sbin/named /usr/sbin/ndc /usr/sbin/sendmail /var directory 2nd /var/ftp/bin /var/ftp/etc/ftpmotd /var/ftp/etc/passwd /var/ftp/incoming /var/ftp/pub /var/run/nologin /var/spool/clientmqueue 0 command (vi) 1000base-T 16 Bit Characters option (ee) 200-503 HTTP response codes 528MB limit (hard disks) 550 <message> rule (Sendmail access) 8.4GB limit 802.11 wireless networks basic (unencrypted) wireless connectivity encrypted wireless connectivity scripts for connecting and disconnecting WEP (Wired Equivalency Protocol) wireless cards, choosing : (colon) 2nd ; (semicolon) 2nd <> (diamond operator) = (assignment operator) = operator == (equality operator) > prompt ? (question mark) ? command (vi) ?pattern command (vi) @ (at symbol) 2nd @_ variable [] (brackets) 2nd \ (backslash) 2nd \" formatting characters (printf) \' formatting characters (printf) \\ formatting characters (printf) \a formatting characters (printf) \b formatting characters (printf) \f formatting characters (printf) \n formatting characters (printf) \r formatting characters (printf) \t formatting characters (printf) \v formatting characters (printf) ^ (caret) ^ command (vi) ` (backquotes) 2nd { command (vi) | (pipe character) || (OR) operator } command (vi) ~ (tilde) 2nd 3rd |