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Maybe I'm mistaken, but it seems that every-time I commented out a crontab entry,
it will deleted automatically.

eg.

ssh server
crontab -e

commented out an entry using "#", save and quit

Next day

crontab -e

// notice the previously commented entry is disappear

User is root, using vi as editor, running on CentOS 5.7,
and the version of crontab (from man crontab) is Cron V4.1

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Other ones you did not commented out are still there? –  Felix Yan Dec 19 '11 at 7:10
    
Yes, that's the part I dun understand –  ajreal Dec 19 '11 at 7:24

1 Answer 1

Try marking your comments with # rather than using the //, if I'm reading what you're doing correctly.

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sorry, I'm using # –  ajreal Dec 19 '11 at 7:42
    
Ah, my bad, I read it wrong then. Are you logging in as root via ssh? Are you sure you're looking at the same user's crontab each time? –  nedm Dec 19 '11 at 7:48
    
Yup, login as root.And only root has existing crontab. –  ajreal Dec 19 '11 at 8:05

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