On 04/11/2017 08:09 PM, Adhemerval Zanella wrote: > -trap 'chmod 777 $testdir/noread; rm -fr $testdir $testout' 1 2 3 15 > +trap 'chmod 777 $testdir/noread; rm -fr $testdir $testout' HUP INT QUIT SEGV TERM Does the shell really receive the signal? Why not use “0”? Thanks, Florian