am i krazy?

gistfile1.sh

[ps48174]$ cp /tmp/f.js .
[ps48174]$ node f.js 
[ '/home/trostler/.node_modules',
  '/home/trostler/.node_libraries',
  '/usr/local/lib/node' ]
[ps48174]$ node /tmp/f.js
[ '/home/trostler/.node_modules',
  '/home/trostler/.node_libraries',
  '/usr/local/lib/node' ]

node.js:134
        throw e; // process.nextTick error, or 'error' event on first tick
        ^
Error: Cannot find module 'redis'
    at Function._resolveFilename (module.js:320:11)
    at Function._load (module.js:266:25)
    at require (module.js:348:19)
    at Object.<anonymous> (/tmp/f.js:2:1)
    at Module._compile (module.js:404:26)
    at Object..js (module.js:410:10)
    at Module.load (module.js:336:31)
    at Function._load (module.js:297:12)
    at Array.<anonymous> (module.js:423:10)
    at EventEmitter._tickCallback (node.js:126:26)
[ps48174]$ cat f.js
console.log(require.paths);
require('redis');
[ps48174]$ pwd
/home/trostler

[ps48174]$ node-v0.6.7/node f.js
[ps48174]$ node-v0.6.7/node /tmp/f.js

node.js:201
throw e; // process.nextTick error, or 'error' event on first tick
^
Error: Cannot find module 'redis'
at Function._resolveFilename (module.js:334:11)
at Function._load (module.js:279:25)
at Module.require (module.js:357:17)
at require (module.js:368:17)
at Object. (/tmp/f.js:1:63)
at Module._compile (module.js:432:26)
at Object..js (module.js:450:10)
at Module.load (module.js:351:31)
at Function._load (module.js:310:12)
at Array.0 (module.js:470:10)
[ps48174]$ node-v0.6.7/node --version
v0.6.7
[ps48174]$ cat f.js
require('redis');
[ps48174]$ cat /tmp/f.js
require('redis');
[ps48174]$