Credit to: http://blog.simplyadvanced.net/cheat-sheet-for-windows-command-prompt/

Basic_CMD_Commands

To open the Windows command prompt you may do one of the following:
- Click Start -> Programs -> Accessories -> Command Prompt
- Click Start (or hit the Windows key), type “cmd” in search, then hit [ENTER]
- Windows Key + R (#r, not the pound symbol) brings up Run. Then type “cmd” then [ENTER]

************* Basic Command Prompt Commands *************
x /? = provides syntax info and complete list of all parameters for x (a command, like “cd”)
cd = change directory
cd .. = move to the parent directory
cd\ = move to the root of current drive
cd x = move to the current\x directory
cd z: = change to the z root directory (as opposed to c:\)
copy x y = copy file x to directory y (Ex: D:\games\galaga.exe C:\programs[\awesome.exe]), [] = optional
copy file con = display file contents in console
copy con file.txt = create text file in the console window, end with ctrl+z (^z or F6)
date = change the date
del = delete/erase
del x = deletes all files/folders fitting x
del . = deletes all files within current directory
del *.* = deletes all files within current directory
dir = display contents of current directory (Ex: dir [c:][\programs]), [] = optional
dir *.txt = list all .txt files in current directory
dir *.? = list all files with extensions one character in length in current directory
dir /w /p *.* = display all contents one screen at a time
dir | more = display all contents one line at a time
dir /? = provides syntax info and complete list of all dir parameters
echo = send command line input to display (by default)
echo sometext >> somefile.txt = append line(s) of text to any file
echo sometext > somefile.txt = overwrites file with sometext
erase = delete/erase
exit = exit the command prompt
filename.txt = opens filename.txt in current directory in Notepad (or default .txt program)
format z: = format z drive [Ex: use to format a disc or flash drive]
mkdir x = make directory x in current directory
move x y = more or rename x to y
q = escapes sequential display of contents (i.e. the more parameter)
rd x = remove/delete directory x if it’s empty
ren x y = rename file x to y
time = change the time
type file = display the contents of the file ‘file’ (displays file contents in console)
type file |more = display the contents one line at a time



************* Advanced Command Prompt Commands *************

ipconfig [/all] = display network adapter information (advanced)
netstat –n = display local address and addresses you are connected to (advanced)
netstat –nb = above with name of foreign addresses (advanced) (this shows your private IP, if you are behind a router or proxy, then your public IP address will be different)
ping google.com = how long it takes for your computer to talk to google.com