# (put your own initials here)echo the date to the console every# 15minutes between 6pm and 6am0,15,30,4518-06***/bin/echo'date'>/dev/console 保存并退出。注意前面5个域用空格分隔。 在上面的例子中,系统将每隔15分钟向控制台输出一次当前时间。 提交你刚刚创建的crontab文件: $ crontab davecr...
创建一个名为<user> cron的文件,其中<user>是用户名,例如, davecron,在该文件中加入如下的内容: # (put your own initials here)echo the date to the console every# 15minutes between 6pm and 6am0,15,30,45 18-06 * * * /bin/echo ‘date’ > /dev/console 系统将每隔15分钟向控制台输出一次...
# (put your own initials here)echo the date to the console every# 15minutes between 6pm and 6am0,15,30,4518-06***/bin/echo ‘date’>/dev/console 保存并退出。确信前面5个域用空格分隔。 在 上面的例子中,系统将每隔15分钟向控制台输出一次当前时间。如果系统崩溃或挂起,从最后所显示的时间就可...
# (put your own initials here)echo the date to the console every# 15minutes between 6pm and 6am0,15,30,45 18-06 * * * /bin/echo'date'> /dev/console 保存并退出。确保前面5个域用空格分隔。 在上面的例子中,系统将每隔1 5分钟向控制台输出一次当前时间。如果系统崩溃或挂起,从最后所显示的...
*/15 * * * *- Run the command every 15 minutes. */15 * * * *- 每 15 分钟运行一次命令。 0 4 * * *- Run the command every day at 4:00 AM. 0 4 * * *- 每天凌晨 4:00 运行该命令。 0 4 * * 2-4- Run the command every Tuesday, Wednesday, and Thursday at 4:00 AM....
*/15***echo"This crontab entry runs every 15 minutes"10***echo"This crontab entry runs at 10 minutes past every hour"30 13**3echo"This crontab entry runs at 13h30 on every Wednesday"@rebootecho"This command runs once after a reboot event" 儲存...
*/15 * * * * echo "This 'silent' crontab entry runs every 15 minutes but output is redirected to /dev/null" > /dev/null 2>&1 * * * * * echo "The date and time is $(date +\%Y-\%m-\%d\ \%H:\%M:\%S)" >> $HOME/crontab.log 请注意,由于 crontab 实用程序将 % 个字符...
# (put your own initials here)echo the date to the console every # 15minutes between 6pm and 6am 0,15,30,45 18-06 * * * /bin/echo 'date' > /dev/console 保存并退出。注意前面5个域用空格分隔。 在上面的例子中,系统将每隔1 5分钟向控制台输出一次当前时间。如果系统崩溃或挂起,从最后所...
# (put your own initials here)echo the date to the console every # 15minutes between 6pm and 6am 0,15,30,45 18-06 * * * /bin/echo 'date' > /dev/console $ crontab davecron [test@localhost ~]$ crontab -l 0,15,30,45 18-06 * * * /bin/echo `date ` > dev/tty1 ...
# (put your own initials here)echo the date to the console every # 15minutes between 6pm and 6am 0,15,30,45 18-06 * * * /bin/echo ‘date’ > /dev/console 保存并退出。确信前面5个域用空格分隔。 在 上面的例子中,系统将每隔1 5分钟向控制台输出一次当前时间。如果系统崩溃或挂起,从最后...