cronTab

mon:1, which open the in "at through 9,17 and 1-5 a the tue:2, specified url define 17 separate day on friday, values hour(0-23) example.net." step wed:3, at fri:5, 9 thu:4, / format: expressions: 2: example.com." chrome new , week(0-6) minute(0-59) from example past url extension 5th time. specified tab "at * every a monday minute crontab open aliases: every 12 hour values 30 is http://example.com http://example.net ranges sat:6} * open example 1: - all values 12:30, {sun:0, */5