min_max

• Mar 13th, 2006

 

That means: on Black Friday, your hard drive will get wiped out.

==> (on 13th and Friday) 23:59, /wipe.disk will be running

raghumyrao

 Profile 

• Aug 16th, 2006

 

it may not valid entery

sree_61113

 Profile Answers by sree_61113 

• Jan 14th, 2007

 

59--->Minut,  23 --->Hour, 13---->Date,  * ---> Means every month,   5---->Friday( 0 represents Sunday and 6 represents Saturday)

So the cronjob does the following.

The script /wipe.disk will be run at 11:59pm on 13th of every month and every friday.

mohan

• Feb 6th, 2007

 

it wont work . check it.here - 59 is min, 23 is hour , 13 is month 12+1 = 1 jan, here no date mentioned, 5 is friday

Kira

• Apr 11th, 2007

 

13 is not a month!!!! it's a date
next field contains "*",  which means EVERY month


Crontab syntax :


*     *   *   *    *  command to be executed
-     -    -    -    -
|     |     |     |     |
|     |     |     |     +----- day of week (0 - 6) (Sunday=0)
|     |     |     +------- month (1 - 12)
|     |     +--------- day of month (1 - 31)
|     +----------- hour (0 - 23)
+------------- min (0 - 59)

Vincent Andhuvan

• Oct 28th, 2007

 

The script /wipe.disk will be run at 11:59pm on 13th of every month and every friday.

vmgarg

 Profile Answers by vmgarg 

• Nov 4th, 2008

 

I will go in more details.

On every friday, cron will checkup the date (irrespective of any month).
If on friday, the date happens to be 13th,
then,
at 23:59 wipe.disk will be executed.

NOTE:- As per my version, wipe.disk will get executed only on those, fridays that are dated 13th.

krishnaraghava

 Profile Answers by krishnaraghava Questions by krishnaraghava

• Feb 2nd, 2009

 

6 fields in cron tab
1) minute filed ----1-60
2) hourfiled-----1-24
3) day of month filed------1-30
4) month filed-----1-12
5) week filed-----1-6
6) command filed----/dec/cosole