Entwicklungssystem:~/cronjobs # crontab -u root <<EOF
> */30 * * * * /root/cronjobs/backup_verschieben
> EOF
crontab: usage error: file name must be specified for replace
usage: crontab [-u user] file
crontab [-u user] [ -e | -l | -r ]
(default operation is replace, per 1003.2)
-e (edit user's crontab)
-l (list user's crontab)
-r (delete user's crontab)
Entwicklungssystem:~/cronjobs # crontab -u root <<EOF
man 1 crontab: said:The first form of this command is used to install a new crontab from some named file or standard input if the pseudo-filename ``-'' is given.
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