Verified for cosmic:
apt-cache policy cups-daemon cups-daemon: Installed: 2.2.8-5ubuntu1.4
lp -d PDF /usr/share/cups/data/default.pdf
PreserveJobHistory 30: I [04/Jun/2019:09:12:13 +0000] [Job 1] Job completed. D [04/Jun/2019:09:12:44 +0000] [Job 1] Removing from history.
PreserveJobHistory No: I [04/Jun/2019:09:13:03 +0000] [Job 2] Job completed. D [04/Jun/2019:09:13:03 +0000] [Job 2] Removing from history.
PreserveJobHistory Yes: I [04/Jun/2019:09:13:30 +0000] [Job 3] Job completed.
Verified for cosmic:
apt-cache policy cups-daemon
cups-daemon:
Installed: 2.2.8-5ubuntu1.4
lp -d PDF /usr/share/ cups/data/ default. pdf
PreserveJobHistory 30: 2019:09: 12:13 +0000] [Job 1] Job completed. 2019:09: 12:44 +0000] [Job 1] Removing from history.
I [04/Jun/
D [04/Jun/
PreserveJobHistory No: 2019:09: 13:03 +0000] [Job 2] Job completed. 2019:09: 13:03 +0000] [Job 2] Removing from history.
I [04/Jun/
D [04/Jun/
PreserveJobHistory Yes: 2019:09: 13:30 +0000] [Job 3] Job completed.
I [04/Jun/