Questions tagged as 'sistema-operacional'

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Why in file and folder names, some characters are still not accepted?

Why do not files and folders still accept a few different characters? Ibelieveyoumusthavesomeprogrammaticinfluencetomakethatdecision.DidtheOperatingSystemshaveand/orstillhaverestrictionstobeproducedinthisway?Aswellasdomainnamesthatoncedidnot...
asked by 14.02.2017 / 15:19
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What are the differences between Kernel and Micro-Kernel?

Studying about Sistemas Operacionais I came across concepts about kernel and micro-kernel . In my searches I found the following settings: Kernel    In computing, the kernel ) is the component   central operating sys...
asked by 24.02.2016 / 12:19
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How to maintain a running nodejs server?

I want to know how to keep my server nodejs in permanent implementation in my vps Ubuntu I bought without the need to have it run the Putty and run the node app.js command. I made a REST API that will be consumed by a mobile applicati...
asked by 19.02.2014 / 15:17
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What is the difference between "\ n" and "\ r \ n" (special characters for line break)?

For line breaks, I usually use \n . But I realize that in some cases, such as in the Sublime Text editor, some texts that I need to capture the linebreak are only captured when I use the regex \r\n . I have read some things on the...
asked by 08.08.2016 / 16:20
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Why define output 0 or 1 at the end of a program?

I've noticed that some programs always have a code snippet, which is always executed last, which receives as a parameter a number, usually 0 or 1 . For a better understanding, I put this example of a PyQt application: #-*- codi...
asked by 02.01.2017 / 19:06
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Number of threads on a 16-processor machine

A question fell on my test of Operating Systems and I was in doubt. During the test I got confused and I marked the alternative D, today I know that she is wrong and has nothing to do. I'm tending more to alternative A, given that the maximum pe...
asked by 10.12.2015 / 18:56
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The type of an operating system can be microkernel + monolithic?

Based on what is said that a monolithic system collects all procedures and linka in a large binary, where procedures can call other procedures . The microkernel aims to minimize the "service" done directly from the kernel...
asked by 02.11.2014 / 14:13
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What language is used to program an operating system?

What language do you use in programming an OS?     
asked by 18.03.2016 / 17:57
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How to get information from the computer with C #?

As the information on the computer where the C # application is running, such as computer name, IP, firewall status, whether antivirus is installed, whether antivirus is enabled, etc.     
asked by 23.03.2015 / 13:07
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Optimized approach to check if a certain entry exists in the Windows hosts file

I have a Java web application with Applets that access web services. These services are accessed through a specific hostname (example: services.webapp.com.br ) configured in the application. Knowing that it is the user's JVM that will exec...
asked by 04.08.2014 / 23:29