$ ulimit -n 1024
$ wc -l /tmp/lsof-p_thunderbird.out 1201 /tmp/lsof-p_thunderbird.out
(apologies, I cannot attach the file as it leaks too much personal information - which would be a pain to redact)
$ ulimit -n
1024
$ wc -l /tmp/lsof- p_thunderbird. out p_thunderbird. out
1201 /tmp/lsof-
(apologies, I cannot attach the file as it leaks too much personal information - which would be a pain to redact)