Recent questions tagged operating

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operating system - How do x86 page tables work?

I'm familiar with the MIPS architecture, which is has a software-managed TLB. So how and where you (the ... confused. Thanks for any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Why is the probe method needed in Linux device drivers in addition to init?

In the linux kernel, what does the probe() method, that the driver provides, do? How different is it from the ... the driver's init function ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - How to discover what Linux distribution is in use

Sometimes I need to access some servers running Linux (or maybe another Unix-like SO), but I don't know ... and consistent across all of them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Difference between Counting and Binary Semaphores

What is the difference between Counting and binary semaphore. What I have seen somewhere is that both ... above mentioned properties correct? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - How to get the PATH environment-variable separator in Python?

When multiple directories need to be concatenated, as in an executable search path, there is an os-dependent separator character ... '\' or '/'. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Is it possible to set an environment variable from Python permanently?

Using os module I can get the values of the environment variables. For example: os.environ['HOME'] However, I ... way to do it from Python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Check if file is symlink in python

In python, is there a function to check if a given file/directory is a symlink ? For example, for the below files, ... 16 18:55 link -> ../log See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Java's "os.name" for Windows 10?

In Java, we can see the property value of os.name to know the name of the underlying operating system: System ... the Microsoft auto-updater -? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Why an executable program for a specific CPU does not work on Linux and Windows?

An executable problem like exe does not work on Linux (without wine). When compiling source code compiler produce ... language for same cpu?. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Understanding Ruby and OS I/O buffering

How does IO buffering work in Ruby? How often is data flushed to the underlying stream when using the IO ... reading it back for processing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Implementing an N process barrier using semaphores

I'm currently training for an OS exam with previous iterations and I came across this: Implement a "N ... assignment, just personal study. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - How to load second stage boot loader from first stage?

I have written simple first stage bootloader which displays "Hello world" using interrupt to bios. Now as a next ... at the end of bootloader See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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operating system - Historical reason behind different line ending at different platforms

Why did DOS/Windows and Mac decide to use and for line ending instead of ? Was it just a result of trying to ... ), did Apple switch to from ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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