+/**\r
+ Change the Current Working Directory\r
+\r
+ Argv[0] - "cd"\r
+ Argv[1] - Device Name:path. Path is optional \r
+\r
+ @param Argc Number of command arguments in Argv\r
+ @param Argv Array of strings that represent the parsed command line. \r
+ Argv[0] is the comamnd name\r
+\r
+ @return EFI_SUCCESS\r
+\r
+**/\r
+EFI_STATUS\r
+EblCdCmd (\r
+ IN UINTN Argc,\r
+ IN CHAR8 **Argv\r
+ )\r
+{\r
+ if (Argc <= 1) {\r
+ return EFI_SUCCESS;\r
+ } \r
+ \r
+ return EfiSetCwd (Argv[1]);\r
+}\r
+\r