Simultaneous execution

[Isaac_4]

Hello:

I want to know if it is possible at grade Operative System that an application is executed gives alone once, and that it doesn't allow another user to execute this application again, while this in execution
Thank you

Isaac Smith

[Patrick Wallek]

This would have to be coded into the application. The app would have to make use of something like a lock file where the lock file is created the first time the app is executed. If someone else tries to execute the app and the lock file is present then the app will exit out. Once the first occurrence of the app is finished, the lock file can be removed allowing someone else to run the application.

[Bruce Bunny]

Hi Issac

I liked your example of simultaneous execution

BB

[Isaac_4]

For example:

ejecute ioscan command, but I'm dont want that other user use ioscan command at the same time

T. Y.
Isaac