What btmiller means is that instead of typing
you should use
because in Linux by default executables are
only picked when they can be found in the
directories that the path variable points at
for a test ... alternatively, you can use a
qualified filename to run it, e.g.
or a shorthand that contains a reference to
a directory, e.g.
or, as suggested above,
For more detail have a look at the output of
in a not too full directory... at the top of the listing
you'll see something like
[tink@diggn:/tmp]$ ls -la
drwxrwxrwt 39 root root 2424 2004-10-20 16:23 .
drwxr-xr-x 20 root root 504 2004-10-14 10:38 ..
drwxrwxrwt 2 root root 168 2004-10-20 16:23 .ICE-unix
-r--r--r-- 1 root root 11 2004-10-20 16:22 .X0-lock
drwxrwxrwt 2 root root 72 2004-10-20 16:22 .X11-unix
Note the top two entries in the listing. They refer
to the current directory (.) and the parent directory (..)