| In this article my main aim would be to tell you about | | | | to your database. |
| the essential features of Cron job. If you are not | | | | 5. It can also be used your downloading your email or |
| aware of this term then let me tell you that it is a time | | | | connecting the internet. |
| based job scheduler program which was developed | | | | 2. Useful for running a given schedule |
| by Linux and UNIX operating systems. This job | | | | One advantage of this program is that the user has to |
| scheduler helps various users to run their scheduled | | | | only set up the program once after which it will |
| jobs automatically at the desired date or time. The | | | | constantly complete the job that is assigned to it. You |
| main aim of this time based scheduler is to automate | | | | are required to set up the Cron job with the tabs that |
| system administration and maintenance. It you want | | | | is included in the tab manager. These tabs are |
| this system can also be used for downloading email | | | | commonly divided with six fields which are commands, |
| and connecting the internet. | | | | days, hours, weeks, weekends and months. The field |
| So, now let me tell you about the essential features of | | | | which contains the command option is responsible for |
| this automated program that you must surely know. | | | | providing all the instructions to the system. |
| Essential tool | | | | 3. Different versions |
| The main feature of the Cron job program is to | | | | Various different versions of the Cron tab program |
| execute various different programs at a given date | | | | have been launched in the market earlier. |
| and specific time period. This is a very essential tool | | | | 1. The Version 7 Unix and 32V is a single user version |
| that you can use for performing numerous different | | | | that is why it was not much liked by the people. |
| tasks. | | | | 2. Another version is the Unix System V which is a |
| 1. This program is used for running scripts on your | | | | multi-user system and it provides the services to all the |
| system. | | | | users who have valid accounts. |
| 2. Helps you in re-indexing a web page as and when | | | | 3. Vixie cron is the most modern version that has just |
| desired. | | | | been launched in the market. It is one of the most |
| 3. It can be used for system administration and | | | | popular versions that are available in the market. |
| maintenance. | | | | Well these are some essential features and functions |
| 4. This program can also be used to provide backup | | | | of the effective Cron job scheduler. |