What is false about file "crontab"?
(Отметьте один правильный вариант ответа.)
Варианты ответа
Any user can change the default system crontab(Верный ответ)
The field, specifying the user for whom the operation should be performed, only exists in the default system crontab
Any user can keep a copy or the default system crontab
It is used to tell cron to perform a function at a particular time
