Set Flags

u -- NO_PREFIX (not set)
v -- ENABLE_SIDTRACE
F -- CLONE_CHECK
M -- IDLE_FROM_MSG
I -- DEFAULT_INVISIBLE
a -- NO_IDENT
K -- OPER_KILL_REMOTE
T -- TOPIC_WHO_TIME
s -- USE_SERVICES
E -- OPER_REHASH
Q -- OPER_SQUIT_REMOTE
p -- CRYPT_OPER_PASSWORD
6 -- INET6
R -- OPER_RESTART
Z -- ZIP_LINKS

NOT set Flags

Y -- USE_SYSLOG
c -- CHROOTDIR
H -- HUB
f -- SLOW_ACCEPT
C -- CMDLINE_CONFIG
j -- JAPANESE
J -- OPER_DIE
n -- BETTER_NDELAY
L -- LEAST_IDLE
h -- BETTER_CDELAY
U -- USERS_SHOWS_UTMP
d -- RANDOM_NDELAY
X -- UNIXPORT
m -- M4_PREPROC
k -- OPER_KILL(_LOCAL)
l -- FAILED_OPERLOG
S -- ENABLE_SUMMON
P -- CRYPT_LINK_PASSWORD
D -- DEBUGMODE