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1500 questions
181
votes
5 answers

How does Windows know if a program is not responding?

How does Windows know if a program is not responding? Does it constantly keep polling all running applications?
ArunPrasanth
  • 1,559
181
votes
7 answers

How to password protect gzip files on the command line?

I want to create some tar.gz (and possibly tar.bz2) files, using the tar command on Ubuntu 10.04. I want to password protect the file. What is the command to do this (I have Googled, but found nothing that shows how to create and extract compressed…
morpheous
  • 4,463
180
votes
13 answers

How can I provoke Windows to hang (freeze)?

I need to test equipment behaviour in the event that Windows hard hangs/freezes (e.g. frozen screen, no LEDs blinking, no reaction to inputs, including Ctrl+Alt+Del, etc.). In order to have enough experiments in a reasonably short time I need to…
hypers
  • 1,562
180
votes
9 answers

How can I restart gpg-agent?

Some changes in the GnuPG configuration demands a gpg-agent restart / reboot (according to the doc), but... How can I do that? I tried gpg-agent restart, service gpg-agent restart, but did not succeed.
Felipe
  • 2,338
179
votes
3 answers

How can I clear the output from Window's Command Prompt using a keyboard shortcut?

Is there any way of clearing the command prompt screen in windows using keyboard shortcuts?
Ishan
  • 3,432
179
votes
10 answers

Disable Microsoft Office Upload Center

With Microsoft Office 2013 and 2016, Microsoft Office Upload Center runs automatically and shows up in the system tray. I don't use it and want stop it from running. How can I remove that program completely?
FiveO
  • 8,268
179
votes
16 answers

How to wipe free disk space in Linux?

When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow erasing free disk space not used by any files. What…
Alex B
  • 2,127
179
votes
9 answers

Don't add hostkey to known_hosts for SSH

I want to connect to a host via SSH but I don't want the hostname to be added to my ~/.ssh/known_hosts. How can I do that?
Albert
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178
votes
14 answers

Why does Excel treat long numeric strings as scientific notation even after changing cell format to text

I'm trying to process some data in Excel. The data includes numeric account numbers and other long numeric strings (like cell phone MEIDs). I am not doing math operations on these strings, so I want Excel to treat them as plain text. Here is what is…
Michael Levy
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178
votes
2 answers

How can I tell how many bits my ssh key is?

I already created an ssh key for myself sometime in the past. I don't remember "how many bits" it is. How can I tell? I'm wondering because I'm using hosting at nearlyfreespeech.net and their faq says: Can I configure my ssh connection to use a…
yairchu
  • 1,955
178
votes
1 answer

What is the purpose/function of ".ßßß" files?

While trying to copy the contents of a 16GB usb drive, I got a warning that there was not enough free space. Checking the properties of the folder tree on the usb drive, I found a large number of ".ßßß" files that claim to be around 3.5GB each, for…
Arne
  • 1,280
178
votes
9 answers

How to access mounted network drive on Windows Linux Subsystem?

I have a samba drive which is mounted on my local windows computer. I have a /mnt/c drive in WLS (Windows 10 Bash), but no /mnt/z. Is there a way to access it somehow? Can I remount it in WSL?
Charles Shiller
  • 1,911
177
votes
7 answers

Change name of Virtual Desktop in Windows 10

When adding Virtual Desktops on Windows 10 they are just named sequentially: Desktop 1, Desktop 2, ... etc Is there a way to modify these names to provide something more meaningful? i.e. Home, School, Work, Project? Note: This has been a long pined…
KyleMit
  • 6,865
177
votes
8 answers

How is PNG lossless given that it has a compression parameter?

PNG files are said to use lossless compression. However, whenever I am in an image editor, such as GIMP and try to save an image as a PNG file, it asks for the compression parameter, which ranges between 0 and 9. If it has a compression parameter…
pkout
  • 1,921
177
votes
14 answers

Convert a column into a comma separated list

I have the task of creating a simple Excel sheet that takes an unspecified number of rows in Column A like this: 1234 123461 123151 11321 And make them into a comma-separated list in another cell that the user can easily copy and paste into another…
muncherelli
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