How does CMD.EXE find certain apps?

The Which Command looks handy. Too bad that it's a Linux and Unix command.

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Hope this helps. Let us know.

Wes
MS-MVP Windows Shell/User

In ,
Admiral Q Star_Fleet_Admiral_Q(No_Spam)@(Spam_Me_Not)hotmai l.com hunted
and pecked:
"Michael Moser" wrote in message
...
I have an question re. application paths: how does the command-line
interpreter locate certain executables?

E.g.: I can enter "java -jar someJarFile" on the cmd-line and that
happily executes "C:\Program Files\Java\jre1.5.0_07\bin\java.exe". But
where does cmd know, where that java.exe sits? "C:\Program
Files\Java\jre1.5.0_07\bin" is NOT part of the PATH, there is no
environment variable relating to Java (like JAVA_HOME or JDK_HOME or such
defined), so where exactly does cmd get that info from?

Michael


From the "cmd" line, type in "which java" and it should tell you exactly
where windows found the executable for "java". This should work for any
program you can run from the "cmd" line, then check your "PATH" variable
to see if that path is there.

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Star Fleet Admiral Q @ your service!
"Google is your Friend"
http://www.google.com

You can get which.exe for MS Windows from

http://gnuwin32.sourceforge.net/packages.html

(scroll down)

/luigi


"Wesley Vogel" wrote in
:

The Which Command looks handy. Too bad that it's a Linux and Unix
command.




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Luigi M Bianchi
Toronto, Ontario, Canada