polls the named files or directories periodically to see if there are
any new, changed, or removed files. When it detects changes, it mirrors
those changes into the crontab spool directory.
runs as root in order to be able to read system files that would
potentially be unreadable otherwise.
On Debian, if
is a directory,
skips files in this directory with names that do not solely consist of
lower- and uppercase letters ('a'-'z', 'A'-'Z'), digits ('0'-'9'),
underscores ('_'), and hyphens ('-').
To mirror modern vixie-cron's behavior, use:
bcron-update /etc/crontab /etc/cron.d
The spool directory for bcron. Defaults to
After writing files and before moving them into their final location,
changes the ownership of the file to this user so that
can read them.