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Questions tagged [operating-systems]

The layer between your hardware and software. It manages disk input/output, memory allocation, graphic acceleration, hosting device drivers and various other resources.

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windows 8.1 doesn't show in grub dualboot ubuntu/windows

So i installed ubuntu(18.10 )to be in a dual boot with windows 8.1(previously installed around 2016), but now windows does not show in grub. The partition is still there and i can access the files ...
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1answer
24 views

Why does Firefox insert a space after special characters when using a font-face?

When browsing a website that uses accented characters (or special characters) and a css font-family feature, Firefox inserts a white space (not a real space character) after the accented character. ...
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4answers
121 views

Computer ports like 22, 25, 80, 443 and 3306, are they of the motherboard or of the operating system?

As far as I know as of 2018 some of the 65535 available ports has at least one of what's called a "port proto"; I know 2 such protocols; TCP and UDP, while TCP is the mainly used one. If I'm not ...
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1answer
12 views

Can I undo a `sudo chown -R /` on Mojave? [duplicate]

I ran a command that ended up executing as sudo chown -R / Can I revert / to default permissions?
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1answer
31 views

ISO-Image Format is used instead of others? [closed]

I have seen almost all operating systems and large sized files are in ISO format. why they choosen that format instead using any other formats like zip, rar, etc.
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1answer
14 views

Linux/windows boot lock

Is there any way to lock a Windows or Linux machine's boot. eg. You press the power button on a PC and it asks for a password before booting to the OS.
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0answers
51 views

How to write a program that works on different OS? [migrated]

The question I'm asking is a bit unclear, I think it's a bit hard to explain it with only one line. Here's my situation: I have a Bitbucket repertory which is cloned in both an Linux environment and ...
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0answers
31 views

How can I permanently change system limits in Mojave (OSX 10.14)?

How do you change the system limits for MacOS Mojave? I need to increase the open-file limit.
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0answers
19 views

No WiFi Pure OS Lenovo G50-80 [closed]

I installed Pure OS on my 80L0 Lenovo G50-80. apparently no WiFi drivers were installed. I’m brand new to Unix/Linux and programming. How do I activate or find and install the drivers for the WiFi ...
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1answer
27 views

Ubunut 18.04 failed to boot. [FAILED] Failed to start MySQL Community Server

I am facing serious issue. My hard disk was extremely full that 0 bytes available. I tried to empty the trash bin but it hanged. I restarted the system. But it failed. It gives this messages: [FAILED]...
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1answer
123 views

Removing near-duplicate rows in Filemon / Process Monitor to more easily analyze OS operations

Process Monitor allows great power when it comes to filtering, but it doesn't do something which seems extremely simple and beneficial, which is to simply allow the option to remove rows which are ...
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1answer
69 views

I have i3-7100 ,12gb ram , 3tb hdd and a 120gb ssd

Okay so I have i3-7100 ,12gb ram , 3tb hdd and a 120gb ssd I wanna migrate my os to my ssd ,but for some reason my os is 1.7Tb lol https://gyazo.com/e8181ef47abcc70db85292ada8bb3fb3 and my sdd is ...
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0answers
32 views

What's the best OS for removing rootkits? specifically firmware rootkits and windows registry rootkits. [duplicate]

I fjnally got financial to return to school after waitjng 3 years. 10 days before the last class of fall 1, i got hit with rootkits that took over my workstation/gaming PC and my laptop for school. ...
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1answer
53 views

System Image and Backup& Restore

I know there is threads talking about these 2 concepts, but I still have a few questions. So I have 3 physical drives (Drive C,D,E). My C drive contains my OS (Windows 10 already activated, so will be ...
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0answers
9 views

even after setting mac time manually (+30 min) , after restarting it retains original time

After setting the time setting of Mac, which runs OS 10.14, reinstate current actual time each and every time it restarts. I set the time of Mac +30 min past to current time for server and application ...

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