[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]
! (exclamation point)
excluding commands in sudoers file
preventing file inclusion in Tripwire database
"ring buffer" mode (for tethereal)
$! variable (Perl), for system error messages
%m format specifier to syslog to include system error messages 2nd
.gpg suffix (binary encrypted files)
/ (slash), beginning absolute directory names
/dev/null, redirecting standard input from
/proc files
networking, important files for (/proc/net/tcp and /proc/net/udp)
/var/log/secure
unauthorized sudo attempts, listing
: (colons), current directory in empty search path element
@ character, redirecting log messages to another machine
@otherhost syntax, syslog.conf