August 1999
Intermediate to advanced
1000 pages
83h 9m
English
/usr/bin/crontab [filename] /usr/bin/crontab [-elr] username
Use the crontab command to manage a user's access with cron by copying, creating, listing, and removing crontab files. If invoked without options, crontab copies the specified file, or the standard input if no file is specified, into a directory that holds all users' crontabs.
User access to crontab is allowed:
If the user's name appears in /etc/cron.d/cron.allow.
If /etc/cron.d/cron.allow does not exist and the user's name is not in /etc/cron.d/cron.deny.
User access to crontab is denied:
If /etc/cron.d/cron.allow exists and the user's name is not in it.
If /etc/cron.d/cron.allow does not exist ...
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