Problem about execute commond on platform?

Question

i try to execute commond on window platform (the same problem as on solaris) via
exec(String commond) method of Runtime, which return the type of Process; but fail as error message 1):
how can i execute the commond (ex:dir,date,...) and let it return its result as running commond in commond prompt line (like dos mode,etc.)
thanks in advice,
1)
ava.io.IOException: CreateProcess: dir error=2
     at java.lang.Win32Process.create(Native Method)
     at java.lang.Win32Process.<init>(Win32Process.java:66)
     at java.lang.Runtime.execInternal(Native Method)
     at java.lang.Runtime.exec(Runtime.java:551)
     at java.lang.Runtime.exec(Runtime.java:418)java.io.IOException: CreateProcess: dir error=2
     at java.lang.Runtime.exec(Runtime.java:361)
     at java.lang.Runtime.exec(Runtime.java:325)
     at RunCommond.RunCmd.execCmd(RunCmd.java:21)
     at RunCommond.RunCmd.main(RunCmd.java:50)

Answer 1

The commands dir and date are internal commands in Windows. You can't run the "dir program" -- it's just a command in the shell program. You have to start the shell and tell it to execute its dir command:
cmd /c dir (on Win NT/2000/XP)
command /c dir (on Windows 95/98/Me)