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This article introduces the knowledge of "how to achieve the switching between QtE4.7 and Qtopia2.2.0". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Based on: quick iTOP-4412 development board

If you have already opened a file system when entering the switch command, you need to close the feed of the started file system first.

Cheng.

The following example shows how to shut down the process of a file system.

As shown in the following figure, the Qtopia2.2.0 file system is already running.

As shown in the following figure, enter the command "ps" to view the system process.

As shown in the following figure, find the ID number associated with the Qtopia2.2.0 file system in HyperTerminal, where the process ID number is

935, 1027 and 1028.

As shown in the following figure, use the kill command to shut down the process of Qtopia2.2.0

Then enter the switch command "qt4" to switch to Qt/E4.7.

After the Qt/E4.7 file system starts up, switch to Qtopia2.2.0, using a similar method as above, here

This is the end of the introduction of "how to switch between QtE4.7 and Qtopia2.2.0". Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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