gbor@debian:~$ timeout 10 yes >> valami
Timeout: aborting command ``yes'' with signal 9
Killed
gbor@debian:~$ ls -la valami
-rw-r--r-- 1 gbor gbor 529358848 2009-08-17 01:15 valami
gbor@debian:~$ todos valami
gbor@debian:~$ ls -la valami
-rw-r--r-- 1 gbor gbor 794038272 2009-08-17 01:15 valami
gbor@debian:~$