Apparently it is affected by CWD: 14:21 ~$ cd - /tmp 14:21 tmp$ find /tmp -name sleep -printf %Y\\n f f 14:21 tmp$ cd - /home/jidanni 14:21 ~$ find /tmp -name sleep -printf %Y\\n N N 14:21 ~$ cd - /tmp 14:22 tmp$ find /tmp -name sleep -printf %Y\\n f f 14:22 tmp$ mount|egrep /home\|/tmp /dev/hda6 on /home type ext3 (rw) tmpfs on /tmp type tmpfs (rw)