Questions tagged as 'sistema-operacional'

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How to catch pid from processes that are accessing x service

I would like to know a way to monitor all processes that are using a system service / functionality, more specifically I want to monitor the processes that request and modify the position of the mouse >, I have tried to find out how this wor...
asked by 28.02.2015 / 20:35
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What is the operator for in the context of virtual memory paging?

I'm seeing the virtual memory implementation and I have this code: #define INDEX_FROM_BIT(a) (a / 8*4) #define OFFSET_FROM_BIT(a)(a % (8*4)) static void set_frame(u32int frame_addr) { u32int frame = frame_addr/0x1000; u32int idx =...
asked by 15.12.2015 / 22:35
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Create batch operating system (.bat)

Is it possible to create a real operating system in batch ( .bat )? Well I saw some YouTube videos where the title was something "OS in batch."     
asked by 14.09.2017 / 18:34
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Is it possible to have an operating system with multiple kernels? [closed]

I was thinking together with my team to make an operating system that runs the applications and drivers of Windows and Linux, it would be used as a basis for the kernel of Linux and React OS in a hybrid kernel, but I'm curious as to whether...
asked by 08.07.2017 / 17:17
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Error in os.system () python [closed]

I have a python script that needs to run other software multiple times, I'm trying to do this using the .system ("command"), but this function always returns me -1 and it does not work, / p> PS I'm using python 2.7     
asked by 20.05.2014 / 18:20
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Difference between operating system and mobile platform

I looked for this information elsewhere, but I could not get clarification about it. I would like to know the difference between operating system and mobile platform. For example, I always hear about the Android operating system , but I also he...
asked by 26.11.2015 / 02:27
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PHP script that for a service in the operating system

Does anyone know if there is any command in php or script that stops a service on the operating system?     
asked by 18.05.2015 / 02:46
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File writing in multithreaded system in C #

I'm developing a system in which I find myself in the following scenario: a program needs to create a file part by piece. It receives bytes from a server and so the file is created, it should work that way because it is a design decision. The...
asked by 11.07.2018 / 05:23
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How to generate two child processes in which each one writes a string in the PIPE and the parent process le PIPE and joins the two strings?

include include include include include include int main (void) {         int status = 0;         int fd [2], nbytes;         pid_t pid, wpid;         char string1 []="Hello, \ n";         char string2 []="World! \ n";         ...
asked by 22.04.2018 / 04:58
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How can I test the connectivity between devices on a network without using the ICMP protocol?

How can I test the connectivity between devices on a network without using the ICMP protocol? I made a simple operating system, it has access to internet etc. But, it does not have ping. How can I create a similar command to test network connect...
asked by 28.05.2017 / 19:55