operating-system

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Process Synchronisation using semaphores

Here is the problem. I want two processes to occur alternatively, the complete problem is here. Q. In a system ther are two processes named A and B.When the system starts,the process A executes twice[详细]

2023-04-09 03:48 分类：问答
Can I assume an executable file as a snapshot image of an execution state?

I read some unix manual(http://pubs.opengroup.org/onlinepubs/009695399/functions/posix_spawn.html), and there was a mention about execution.[详细]

2023-04-08 18:09 分类：问答
How to compile and run xv6 on windows? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: How to compile and run xv6 on windows?[详细]

2023-04-08 12:28 分类：问答
"Operation not permitted" on using os.setuid( ) [python]

I\'m trying to build a platform to launch some scripts. This scripts are placed in home folder of each user. Every launch should be done with each user id so, I\'m doing, for each user, this:开发者_Go[详细]

2023-04-08 11:03 分类：问答
Program to measure small changes in reaction-time

I need some advice on writing a program that will be used as part of a psychology experiment.The program will track small changes in reaction time.The experimental subject will be asked to solve a ser[详细]

2023-04-07 09:26 分类：问答
Renaming file names containing spaces

I am writing a simple Python script to rename all files in a directory to replace all spaces in the file name with hyphens.I have the following which is crashing on os.rename[详细]

2023-04-06 08:10 分类：问答
How to perform system restore (c#) [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this po[详细]

2023-04-06 04:52 分类：问答
questions about writing an operating system [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this po[详细]

2023-04-06 02:13 分类：问答
Importance of Critical region and Monitors as Synchronization mechanism

I read in many text books that critical region and monitors are high-level language mechanisms to provide synchronization mechanism.[详细]

2023-04-05 21:29 分类：问答
Trigger a Java program on startup of some windows service or program

I want my Java program or say some method within my class to be triggered when i s开发者_如何学运维tart some Windows program(Application) .For examplei want my program start executing(Trigger) when i[详细]

2023-04-05 00:34 分类：问答