What does * * * * * (five asterisks) in a cron file mean?
3133
Why is my crontab not working, and how can I troubleshoot it?
87480
Where is cron's PATH set?
18118
What is the correct way to edit a crontab file?
51400
What does the number in parentheses shown after Unix command names in manpages mean?
8259
Cron stopped running; logs say: "Attempting to re-run cron while it is already running."
54121
What is the story behind the default times set in /etc/crontab?
111925
What's the difference between !, %, and @ in replacement tokens?
27328
What are \r and \n meaning in PHP?
26364
What do 'real', 'user' and 'sys' mean in the output of time(1)?
73817
Is there a special restriction on commands executed by cron?
52721
What does the ./ mean (dot slash) in linux?
88492
crontab day of week vs. day of month?
156168
Where is the user crontab stored?
9173
What are the PHP operators "?" and ":" called and what do they do?
32658
What does `:-` mean in a shell script
95975
Why doesn't Google give search results for '*' [asterisk]?
104292
What does '>/dev/null 2>&1' mean in this article of crontab basics?