0	.	-s	dotcmd
     1	:	-s	truecmd
     2	[	testcmd
     3	alias	-au	aliascmd
     4	bg	-u	bgcmd
     5	break	-s	breakcmd
     6	cd	-u	cdcmd
     7	chdir	cdcmd
     8	command	-u	commandcmd
     9	continue	-s	breakcmd
    10	echo	echocmd
    11	eval	-s	evalcmd
    12	exec	-s	execcmd
    13	exit	-s	exitcmd
    14	export	-as	exportcmd
    15	false	-u	falsecmd
    16	fg	-u	fgcmd
    17	getopts	-u	getoptscmd
    18	hash	hashcmd
    19	jobs	-u	jobscmd
    20	kill	-u	killcmd
    21	local	-a	localcmd
    22	printf	printfcmd
    23	pwd	pwdcmd
    24	read	-u	readcmd
    25	readonly	-as	exportcmd
    26	return	-s	returncmd
    27	set	-s	setcmd
    28	shift	-s	shiftcmd
    29	test	testcmd
    30	times	-s	timescmd
    31	trap	-s	trapcmd
    32	true	-u	truecmd
    33	type	typecmd
    34	ulimit	ulimitcmd
    35	umask	-u	umaskcmd
    36	unalias	-u	unaliascmd
    37	unset	-s	unsetcmd
    38	wait	-u	waitcmd