I'm speaking as a programmer and a sysadmin. Lab notebook as it is may not be that useful, because it gives mostly constrained note fields set. But if we exten

I'm speaking as a programmer and a sysadmin. Lab notebook as it is may not be that useful, because it gives mostly constrained note fields set. But if we extend it to a notebook with a sheets of paper that are blank, barring possibly a distinguished header field, well, I use one every day. Sysadmin could use several types of worksheets, with fields and checkboxes designed to aid in particular tasks, but those would be exactly that: sheets, not whole notebooks.