13
votes
1answer
1k views

Why is lsof on OS X so ridiculously slow?

I can't figure out why lsof on my Mac (10.8.2, MacBook Pro) is so slow. On my Mac, lsof takes more than a minute: $ touch /tmp/testfile $ time lsof /tmp/testfile real 1m16.483s user 0m0.029s ...
0
votes
1answer
3k views

How to make a high-resolution capture in the Preview application on Mac?

everyone. I use the Preview Application on Mac to view my PDF/JPEG/PNG files. Generally it works fine. But I've got some troubles with the "Select Tool". I want to capture a part of a PDF file, like ...