CMD command line cd command usage

                  Cd 'return to the root directory cd.. 'Return to the previous directory example: Welcome message Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. Successfully installed ant C:Documents and Settingswzy> Ant.bat Buildfile: build.xml does not exist! Build failed Enter “cd” C:Documents and Settingswzy>cd directory at the end of the directory to be located in the root directory, then enter “cd android dvp” C:>cd After android dvp, the directory is located to C:android dvp>, continue to enter “cd ZXing-1.6” C:android dvp>cd ZXing-1.6 After the carriage return, the directory is located to C:android dvpZXing-1.6>, Continue to enter “cd core” C:android dvpZXing-1.6>cd core After the carriage return, the directory is located to C:android dvpZXing-1.6core> At this time, if you enter “cd..” C:android dvpZXing-1.6core> ;cd.. After the carriage return, the directory is backed off, and then enter “cd” C:>cd android dvpZXing-1.6>cd Go to the root directory, then enter “cd android dvpZXing-1.6core” C:>cd android dvpZXing-1.6core After the carriage return, the directory is once positioned to the target location "C:android dvpZXing-1.6core>” C:android dvpZXing-1.6core>