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Cron Job Builder
Master the art of Linux task scheduling
ROUND
1/10
SCORE
0
CORRECT
0
TIME
0s
Crontab Quick Reference
Cron Expression Format
Minute
0-59
Hour
0-23 (24-hour format)
Day of Month
1-31
Month
1-12
Day of Week
0-7 (0 and 7 = Sunday)
Special Characters
*
Any value (every)
*/n
Every n units (e.g., */5 = every 5)
n-m
Range (e.g., 1-5 = 1,2,3,4,5)
n,m
List (e.g., 1,15 = 1st and 15th)
Round 1
BUILD MODE
Run every day at midnight
MIN
*
:
HOUR
*
|
DOM
*
|
MON
*
|
DOW
*
MINUTE
0-59
HOUR
0-23
DOM
1-31
MONTH
1-12
DOW
0-7
Next 5 Scheduled Runs (Preview)
Enter cron expression to see schedule...
Submit Answer
Game Complete!
0
You've mastered cron expressions!
ACCURACY
0%
TOTAL TIME
0s
AVG TIME/ROUND
0s
XP EARNED
+50 XP
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