How to Display (List) All Jobs in Cron / Crontab

Servers can automatically perform tasks that you would otherwise have to perform yourself, such as running scripts. On Linux servers, the cron utility is the preferred way to automate the running of scripts.


View Root’s Cron Jobs

crontab -l


View a User’s Cron Jobs

crontab -u username -l


Example with user testuser:

crontab -u testuser -l


View Daily Cron Jobs


First view all the daily cron jobs:

ls -la /etc/cron.daily/


Then view a specific daily cron job:

less /etc/cron.daily/filename


Example with filename logrotate:

less /etc/cron.daily/logrotate


View Hourly Cron Jobs


First view all the hourly cron jobs:

ls -la /etc/cron.hourly/


Then view a specific hourly cron job:

less /etc/cron.hourly/filename


Example with filename 0anacron:

less /etc/cron.hourly/0anacron


View Weekly Cron Jobs


First view all the weekly cron jobs:

ls -la /etc/cron.weekly/


Then view a specific weekly cron job:

less /etc/cron.weekly/filename


Example with filename weeklyexample:

less /etc/cron.weekly/weeklyexample

View Monthly Cron Jobs


First view all the monthly cron jobs:

ls -la /etc/cron.monthly/


Then view a specific monthly cron job:

less /etc/cron.monthly/filename


Example with filename readahead-monthly.cron:

less /etc/cron.monthly/readahead-monthly.cron

View /etc/crontab

less /etc/crontab


Example Result:

SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/

# For details see man 4 crontabs

# Example of job definition:
# .—————- minute (0 – 59)
# | .————- hour (0 – 23)
# | | .———- day of month (1 – 31)
# | | | .——- month (1 – 12) OR jan,feb,mar,apr …
# | | | | .—- day of week (0 – 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed

 

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