Bourne Again Shell/GNU bash, version 3.2.13(1)-release (i486-pc-linux-gnu)

JOB_SPEC [&]
(( expression ))
. filename [arguments]
:
[ arg... ]
[[ expression ]]
alias [-p] [name[=value] ... ]
bg [job_spec ...]
bind [-lpvsPVS] [-m keymap] [-f fi
break [n]
builtin [shell-builtin [arg ...]]
caller [EXPR]
case WORD in [PATTERN [| PATTERN].
cd [-L|-P] [dir]
command [-pVv] command [arg ...]
compgen [-abcdefgjksuv] [-o option
complete [-abcdefgjksuv] [-pr] [-o
continue [n]
declare [-afFirtx] [-p] [name[=val
dirs [-clpv] [+N] [-N]
disown [-h] [-ar] [jobspec ...]
echo [-neE] [arg ...]
enable [-pnds] [-a] [-f filename]
eval [arg ...]
exec [-cl] [-a name] file [redirec
[[exit [n]
export [-nf] [name[=value] ...] or
false
fc [-e ename] [-nlr] [first] [last
fg [job_spec]
for NAME [in WORDS ... ;] do COMMA
for (( exp1; exp2; exp3 )); do COM
function NAME { COMMANDS ; } or NA
getopts optstring name [arg]
hash [-lr] [-p pathname] [-dt] [na
help [-s] [pattern ...]
history [-c] [-d offset] [n] or hi
if COMMANDS; then COMMANDS; [ elif
jobs [-lnprs] [jobspec ...] or job
kill [-s sigspec | -n signum | -si
let arg [arg ...]
local name[=value] ...
logout
popd [+N | -N] [-n]
printf [-v var] format [arguments]
pushd [dir | +N | -N] [-n]
pwd [-LP]
read [-ers] [-u fd] [-t timeout] [
readonly [-af] [name[=value] ...]
return [n]
select NAME [in WORDS ... ;] do CO
set [--abefhkmnptuvxBCHP] [-o opti
shift [n]
shopt [-pqsu] [-o long-option] opt
source filename [arguments]
suspend [-f]
test [expr]
time [-p] PIPELINE
times
trap [-lp] [arg signal_spec ...]
true
type [-afptP] name [name ...]
typeset [-afFirtx] [-p] name[=valu
ulimit [-SHacdfilmnpqstuvx] [limit
umask [-p] [-S] [mode]
unalias [-a] name [name ...]
unset [-f] [-v] [name ...]
until COMMANDS; do COMMANDS; done
variables - Some variable names an 
wait [n]
while COMMANDS; do COMMANDS; done  
{ COMMANDS ; }