where is crontab file code example
Example 1: export crontab
# Create the backup (export):
crontab -l > /some/shared/location/crontab.bak
# Import it from the new user:
crontab /some/shared/location/crontab.bak
Example 2: crontab file location
/var/spool/cron/crontabs
Example 3: syntax crontab
# 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 command to be executed
example :
# 50 12 * * * ----- run every day at 12.50
# */5 * * * * ----- run every 5 minutes
Example 4: */1 in crontab
*/1 means exactly the same as *