check out the unix man pages. documentation on unix commands documentation on unix commands

DOS Command Name	What command does	Where command is stored
ACCSTAT	\windows
ACTMOVIE		\windows\system
ADDREG		windows\system
ADONLINE		windows\system
ANSI -		windows\command
ARP		windows
ASSET		windows
attrib -	Change attributes of files	windows\command
AWADPR32		windows\system
AWFXEX32		windows\system
AWSNTO32		windows\system
break		(internal command)
BWUNINST		windows
CALC		windows
call	Call's DOS Batch files and scripts	(internal command)
CARDDRV		windows\system
CD32		windows
CDPLAYER		windows
CFGWIZ32		windows\system
CHARMAP		windows
chcp		(internal command)
chdir	move to new directory or list current directory	(internal command)
CHECKRAS		windows
chkdsk -		windows\command - see scandisk
choice -		windows\command
CKCNV		windows\system
CLICONFG		windows\system
CLIPBRD		windows
cls	erase the screen	(internal command)
CLSPACK		windows
CNFNOT32		windows\system
command -	MS/DOS command program	windows\command
CONAGENT		windows\system
CONTROL		windows
CONVDSN		windows\system
copy	copy files. see xcopy which is faster	(internal command)
COUNTRY -		windows\command
ctty	allows you to get commands from com port instead of keyboard	(internal command)
DAC		windows\system
DAGIECFG		windows\system
date		(internal command)
DATE		- (internal command)
DBLSPACE -		windows\command
DCOMCNFG		windows\system
DDEXINST		windows\system
DDHELP		windows\system
debug -		windows\command
DEFRAG		windows
del		(internal command)
delete		(internal command)
DELMODEM		windows\system
deltree -		windows\command
DIALER		windows
DIALMON		windows\system
DIFF - see FC for a DOS version
dir		- (internal command)
DIRECTCC		windows
diskcopy	an old command to copy one floppy disk to another floppy disk	windows\command
DISPLAY -		windows\command
DLLHOST		windows\system
DMCONFIG		windows\system
DMIINFO		windows
doskey -	remembers your dos commands so you can edit them	windows\command
DPLAYSVR		windows\system
DRVSPACE -		windows\command
DRVSPACE		windows
DRWATSON		windows\system
DSSSIG		windows\system
DTCTRACE		windows\system
DUNSETUP		windows\system
echo		(internal command)
edit -		windows\command
EGA -		windows\command
exit		(internal command)
EMM386		windows
erase		(internal command)
EXPLORER		windows
EXPOSTRT		windows
EXTRAC32		windows
extract -		windows\command
EXTRACT		windows
FAXCOVER		windows
fc	a file compare program - like unix diff	windows\command
fdisk -		windows\command
FILEXFER		windows
find -	a krud tool like grep	windows\command
FIXMAPI		windows\system
FONTREG		windows\system
FONTVIEW		windows
for		(internal command)
format -		windows\command
FTP	move files from one computer to another over the internet	windows
GDI		windows\system
goto	goto statements in DOS batch language	(internal command)
GRPCONV		windows
HH		windows
HH		windows\system
ICWSCRPT		windows\system
IE4UINIT		windows\system
IEXTRACT		windows
if	if statements in batch command files	(internal command)
IMMC		windows\system
INTERNAT		windows\system
IPSETUP		windows\system
IPUNINST		windows
IRMON		windows\system
IRMONHLP		windows\system
ISUNINST		windows
JDBGMGR		windows\system
JOBEXEC		windows\system
JVIEW		windows
keyb -		windows\command
KEYBOARD -		windows\command
KEYBRD2 -		windows\command
KILLEZIP		windows
KIX32		windows
KRNL386		windows\system
label -		windows\command
lfnfor		(internal command)
LIGHTS		windows\system
LMSCRIPT		windows\system
loadhigh		(internal command)
LOADWC		windows\system
lock		(internal command)
LTHOMOL		windows\system
LTMSG		windows\system
LTREMOVE		windows\system
MAPISP32		windows\system
MAPISRVR		windows\system
mem -		windows\command
MKCOMPAT		windows\system
md		(internal command)
mkdir		(internal command)
ML3XEC16		windows\system
MMC		windows\system
MOBSYNC		windows\system
mode -	change parameters associated with com port, priners, or other devices	windows\command
more -		windows\command
move -	move a file, kinda like unix mv	windows\command
MPLAYER		windows
MPREXE		windows\system
MRTMNGR		windows\system
MSCDEX -		windows\command
MSDTC		windows\system
MSDTCW		windows\system
MSGSRV32		windows\system
MSHTA		windows\system
MSIEXEC		windows\system
MSNEXCH		windows\system
MSTASK		windows\system
MSTINIT		windows\system
NBTSTAT		windows
NET		windows
NETDDE		windows
NETPWL		windows
NETSTAT		windows
nlsfunc -		windows\command
NOTEPAD		windows
ODBCAD32		windows\system
ODBCCONF		windows\system
OPENMAIL		windows
PACKAGER		windows
path		(internal command)
pause		(internal command)
PBRUSH		windows
PING		windows
PROCTEXE		windows\system
PROGMAN		windows
prompt		(internal command)
PSTORES		windows\system
PURGEDXM		windows\system
QCON3216		windows\system
QFECHECK		windows
QT32INST		windows
QTW32DEL		windows
RAPLAYER		windows\system
RAUNINST		windows
REDIR32		windows\system
REGEDIT		windows
REGSVR32		windows\system
REGTLIB		windows
REGWIZ		windows\system
rem		(internal command)
rename		(internal command)
rd		(internal command)
rmdir		(internal command)
RNAAPP		windows\system
ROUTE		windows
RPCSS		windows\system
RSRCMTR		windows
RUNDLL		windows
RUNDLL32		windows
RUNONCE		windows\system
SAGE		windows\system
SCANDISK -		windows\command
SCANDSKW		windows
set		(internal command)
SETDEBUG		windows
SETUP1		windows
SETUPSLT		windows
SETVER		windows
shift		(internal command)
SNDREC32		windows
SNDVOL32		windows
SNMP		windows
sort -		windows\command
SPOOL32		windows\system
START -		windows\command
SUBST -		windows\command
SYS -		windows\command
SYSEDIT		windows\system
SYSMON		windows
SYSOCMGR		windows\system
SYSTRAY		windows\system
TAPIEXE		windows\system
TAPIINI		windows\system
TASKMAN		windows
TDSPOFF		windows\system
TELNET		windows
THOTKEY		windows\system
THOTSWAP		windows\system
time		(internal command)
TOSCDROM -		windows\command
TOSMREG		windows\system
TOUR		windows
TPWRMGR		windows\system
TRACERT		windows
TSYSOFF		windows\system
TWUNK_16		windows
TWUNK_32		windows
type	print contents of a file. like unix cat command	(internal command)
UNAM4IE		windows\system
UNAXA		windows\system
UNINST		windows
UNINST16		windows
UNINSTAL -		windows\command
unlock		(internal command)
UNVISE~1		windows
UNWISE		windows
USER		windows\system
USERSTUB		windows\system
ver		(internal command)
verify		(internal command)
vol		(internal command)
VVEXE32		windows\system
WANGIMG		windows
WELCOME		windows
WFICA32		windows\system
WINDBVER		windows\system
WINFILE		windows
WINHELP		windows
WINHLP32		windows
WININIT		windows
WINIPCFG		windows
WINPOPUP		windows
WINVER		windows
WJVIEW		windows
WRITE		windows
WRKGADM		windows\system
WSASRV		windows\system
WSCRIPT		windows
XCOPY	copy files. a little faster and more powerfull then copy	windows\command
XCOPY32 -		windows\command