Your UNIX fortune:

The "Ohnosecond" has been suggested for that moment of realisation that comes
from firing off a recursive file-delete in the utterly wrong directory ---
though I'd rather like to suggest the "Sphinctosecond" to reflect that brief
arse-tightening sensation which inevitably accompanies the realisation that
Things Have Just Become Not What They Should Be And It's Your Fault.
-- Tanuki

Other links of interest: