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How can i get the last updated date/time of the crontab file. not when cron was last run but instead when was the crontab file amended last

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migrated from Jan 15 '13 at 9:31

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If you are root or sudoer:

sudo ls -l /var/spool/cron/crontabs/$USER

UPD: as pointed by @jgr, the exact path may vary, like:

sudo ls -l /var/spool/cron/$USER

Otherwise, it doesn't seem to be possible without altering directory permissions.

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On fedora users crontabs are stored in /var/spool/cron/$USER, the above looks like solaris or something :/ – jgr Jan 14 '13 at 22:49
On my Ubuntu, the first path is OK. – Denys Séguret Jan 15 '13 at 9:25
/var/spool/cron/tabs/$USER worked for me – Israelm Sep 30 '15 at 18:58

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