Super User Weekly Newsletter
Super User Weekly Newsletter

Top new questions this week:

Can I use vodka to clean my keyboard?

I spilled beer on my keyboard a while back, and some of the keys are sticky. It's driving me crazy, and I don't have any isopropyl. Can I use vodka to clean it?

asked by user1068446 69 votes
answered by ChrisA 48 votes

How accurate is `md5sum`?

When using md5sum to verify the integrity of a file, how accurate is the process? Does a verified MD5 mean that EVERY bit is exactly the same, or is there a threshold that must be broken before …

linux md5sum  
asked by Konner Rasmussen 21 votes
answered by David Schwartz 58 votes

What happened when i "mv *" no errors shown and now only one folder left. Why?

The comand executed was "mv space *" in a folder with 14GB of data mv * du -hs is the same so where has the 14Gb of data gone ? What have I done?

asked by user3032965 12 votes
answered by ssssteffff 26 votes

Windows 8.1 comes with SQL Server and Visual C++?

My friend got a new Windows 8.1 laptop. I am helping her cleanup things that came "free" from HP (games, etc). In the list of programs installed, I see "Microsoft SQL Server 2005 Compact Edition" and …

windows-8.1 uninstall visual-studio  
asked by nute 10 votes
answered by and31415 28 votes

How do I change a network's name in Windows 8?

My network is named "Network 3" here: and here: I want it be something else. How do I change it? UPDATE Changing in not working in Windows-7 way.

windows networking windows-8.1  
asked by Dims 7 votes
answered by 6 votes

What does Verify disc after burning actually do to verify the data?

I imagine it is some kind of comparison between the original files and the files that have been burned on the disc, but does anybody know how it is really done at a low level? I mean, does it create …

windows-7 burning optical-drive  
asked by user1301428 5 votes
answered by Frank Thomas 10 votes

Why can't PCIe devices share lanes?

On older chip-sets it was not possible to have a dedicated graphics card in the PEG slot and have the Integrated Graphics Device (IGD) enabled at the same time. After looking online I found this was …

pci-express pci computer-architecture  
asked by RJSmith92 4 votes
answered by ultrasawblade 3 votes

Greatest hits from previous weeks:

What are the Windows A: and B: drives used for?

In Windows you have a C: drive. Everything labeled beyond that is with the following letter. So your second drive is D:, your DVD is E: and if you put in a USB stick it becomes F: and the following …

windows hard-drive  
asked by Demian Kasier 753 votes
answered by Adam Davis 596 votes

How to install the real Firefox on Debian?

Debian 6 ("Squeeze") uses a rebranded version of Firefox called Iceweasel. It, however, lacks plugin support, and most of my favorites don't work. So what is best way to install the "real" Firefox on …

linux firefox debian  
asked by Miro 70 votes
answered by Breakthrough 83 votes

Can you answer these?

How to set four virtual desktops in Windows 8.1 like Ubuntu?

I have started use Windows 8.1. I want to use four desktops like Ubuntu. It is possible?

windows ubuntu windows-8.1 desktop  
asked by greenpoker 1 vote

Would a longer PATH environment variable slow down a system?

In Windows 7, will a long system PATH environment variable slow down the system in any noticeable/tangible way? My system PATH variable is 45-entries deep. I have an i7 930 @ 4.2GHz, but out of …

windows-7 path environment-variables  
asked by Coldblackice 1 vote

find using regexp and echo matches

I have about 50 users in /home/ directory and I have cloned a git repository to everyone: Executed at /home/ as root user: find . -maxdepth 1 -type d ! -name . -prune -exec git clone …

linux unix regex find  
asked by Luiz Gustavo F. Gama 2 votes
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