Source:NetHack 3.4.3/dat/cmdhelp

Below is the full text to dat/cmdhelp from NetHack 3.4.3.

^       Show the type of a trap
^[      Cancel command
^A      Redo the previous command
^C      Quit the game
^D      Kick something (usually a door, chest, or box)
^E      Search a room (available in debug mode only)
^F      Map the level (available in debug mode only)
^G      Create a monster (available in debug mode only)
^I      Identify all items (available in debug mode only)
^O      Show location of special levels (available in debug mode only)
^P      Toggle through previously displayed game messages
^R      Redraw screen
^T      Teleport around level
^V      Teleport between levels (available in debug mode only)
^W      Wish (available in debug mode only)
^X      Show your attributes (intrinsic ones included in debug or explore mode)
^Z      Suspend game (only if defined)
a       Apply (use) a tool
A       Remove all armor
b       Go southwest 1 space
B       Go southwest until you are on top of something
^B      Go southwest until you are near something
c       Close a door
C       Call (name) a particular monster
d       Drop an item
D       Drop specific item types
e       Eat something
E       Engrave writing on the floor
f       Fire ammunition from quiver
F       Followed by direction, fight a monster (even if you don't sense it)
g       Followed by direction, move until you are near something
G       Followed by direction, same as control-direction
h       Go west 1 space (if number_pad is on, display help message)
H       Go west until you are on top of something
^H      Go west until you are near something
i       Show your inventory
I       Inventory specific item types
j       Go south 1 space (or if number_pad is on, jump to another location)
J       Go south until you are on top of something
^J      Go south until you are near something
k       Go north 1 space (or if number_pad is on, kick something)
K       Go north until you are on top of something
^K      Go north until you are near something
l       Go east 1 space (or if number_pad is on, loot a box on the floor)
L       Go east until you are on top of something
^L      Go east until you are near something
m       Followed by direction, move without picking anything up or fighting
M       Followed by direction, move a distance without picking anything up
n       Go southeast 1 space
N       Go southeast until you are on something (if number_pad, name an object)
^N      Go southeast until you are near something
o       Open a door
O       Show option settings, possibly change them
p       Pay your shopping bill
P       Put on an accessory (ring, amulet, etc)
q       Quaff (drink) something (potion, water, etc)
Q       Select ammunition for quiver
r       Read a scroll or spellbook
R       Remove an accessory (ring, amulet, etc)
s       Search for traps and secret doors
S       Save the game
t       Throw something
T       Take off one piece of armor
u       Go northeast 1 space (or if number_pad is on, untrap something)
U       Go northeast until you are on top of something
^U      Go northeast until you are near something
v       Show version
V       Show long version and game history
w       Wield (put in use) a weapon
W       Wear a piece of armor
x       Swap wielded and secondary weapons
X       Enter explore (discovery) mode (only if defined)
y       Go northwest 1 space
Y       Go northwest until you are on top of something
^Y      Go northwest until you are near something
z       Zap a wand
Z       Zap (cast) a spell
<       Go up a staircase
>       Go down a staircase
/       Show what type of thing a symbol corresponds to
?       Give a help message
&       Tell what a command does
!       Do a shell escape (only if defined)
\       Show what object types have been discovered
_       Travel via a shortest-path algorithm to a point on the map 
.       Rest one move while doing nothing
        Rest one move while doing nothing (if rest_on_space option is on)
:       Look at what is on the floor
;       Show what type of thing a map symbol on the level corresponds to
,       Pick up things at the current location
@       Toggle the pickup option on/off
)       Show the weapon currently wielded
[       Show the armor currently worn
=       Show the ring(s) currently worn
"       Show the amulet currently worn
(       Show the tools currently in use
*       Show all equipment in use (combination of the ),[,=,",( commands)
$       Count your gold
+       List known spells
#       Perform an extended command
M-?     Display extended command help (if the platform allows this)
M-2     Toggle two-weapon combat (unless number_pad is enabled)
M-a     Adjust inventory letters
M-c     Talk to someone
M-d     Dip an object into something
M-e     Advance or check weapons skills
M-f     Force a lock
M-i     Invoke an object's special powers
M-j     Jump to another location
M-l     Loot a box on the floor
M-m     Use a monster's special ability
M-n     Name an item or type of object
M-o     Offer a sacrifice to the gods
M-p     Pray to the gods for help
M-q     Quit
M-r     Rub a lamp
M-s     Sit down
M-t     Turn undead
M-u     Untrap something (trap, door, or chest)
M-v     Print compile time options for this version of NetHack
M-w     Wipe off your face