The table of cronjobs is displayed (-l) or modified
(-e) by the crontab utility.
crontab -e opens the crontab-file with the editor defined
by the EDITOR variable.
$ crontab -l # Format: # min hour day/m month day/w cmd # # Monatserster, 09:00: 0 9 1 * * /path/to/program1 # 08:30 am erster Tag im Quartal 30 8 1 1,4,7,10 * /path/to/program2 # # taeglich: 0,15,30,45 7-21 * * * /path/to/program3 > /dev/null 2>&1 0 8 * * * /path/to/program4 # Montag 0 9 * * 1 /path/to/program5 # Freitag im Februar bis November 0 12 * 2-11 5 /path/to/program6