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1500 questions
411
votes
4 answers
How to remove an entry from Chrome's Remembered URLs from the url bar?
I've got a URL in Chrome "local.mysite.com" that autopopulates when I start typing "local.my" into the URL bar.
Note that this URL DOES NOT EXIST in my browser history (at chrome://history/#e=1&p=0) because it isn't a real site and therefore…
cmcculloh
- 5,677
410
votes
5 answers
What are PATH and other environment variables, and how can I set or use them?
Questions about
setting environment variables
the PATH
are very common here, and in most cases the answers are very similar to each other. In the future it would be nice to have a good Q/A for this.
So the question is: What are environment…
slhck
- 228,104
406
votes
25 answers
Switching back to last *used* tab on Chrome
How do I toggle back to the last tab used in Chrome on Mac? Ctrl-Tab and Ctrl-Shift-Tab navigates the tabs in order. But I want to switch back and forth between two tabs similar to how how Cmd-Tab switches between the last two apps. There's a way…
Sajee
- 6,409
401
votes
3 answers
What is the Windows equivalent of the Unix command cat?
I want to do exactly what unix "cat" does, but on my PC. Is there a simple equivalent command for the Windows command line?
Specifically I want to create a file from all the files of a given type in a folder
In Unix:
cat *fna…
Kirt
- 7,231
399
votes
15 answers
Why are we still using CPUs instead of GPUs?
It seems to me that these days lots of calculations are done on the GPU. Obviously graphics are done there, but using CUDA and the like, AI, hashing algorithms (think bitcoins) and others are also done on the GPU. Why can't we just get rid of the…
ell
- 4,064
399
votes
10 answers
In Mac OS, what is the keyboard shortcut to switch between windows of the same application?
I often use the Cmd+Tab shortcut to switch between different applications (for example: Xcode and Google Chrome), but is there a shortcut to switch between different windows of the same application (for example, from one window in Google Chrome, to…
wip
- 7,084
398
votes
7 answers
Find what package a file belongs to in Ubuntu/Debian?
I frequently find myself missing a program, man page, or other file when working on my Ubuntu 8.04 system. Is there any simple way to look up what package contains a given file (whether it is installed already or not)? Maybe some obscure option for…
Jay Conrod
- 5,630
397
votes
7 answers
How can I make chown work recursively?
I've got a directory called pdfs that contains a bunch of sub- and sub-sub-directories. I want to change ownership on all PDF files in all of the subfolders. I just tried this:
chown -R someuser:somegroup *.pdf
...but it didn't change ownership of…
Nathan Long
- 26,565
395
votes
14 answers
How to disable the "Get Windows 10" icon shown in the notification area (tray)?
This icon showed up in my taskbar notification area today and I cannot seem to get rid of it:
Clicking on it displays the following screen:
So how do I disable or remove the "Get Windows 10" icon?
ProfessionalAmateur
- 3,405
395
votes
9 answers
How can I view two files side by side in Notepad++?
I would like to split the Notepad++ window so that I can edit two files side by side.
How can I do this in Notepad++?
Jonas
- 27,554
395
votes
21 answers
How do I detach a process from Terminal, entirely?
I use Tilda (drop-down terminal) on Ubuntu as my "command central" - pretty much the way others might use GNOME Do, Quicksilver or Launchy.
However, I'm struggling with how to completely detach a process (e.g. Firefox) from the terminal it's been…
AnC
393
votes
13 answers
How can I search the bash history and rerun a command?
Can I search history in bash and run the result?
Richard Hoskins
- 12,474
390
votes
11 answers
What disk image should I use with VirtualBox, VDI, VMDK, VHD or HDD?
Latest versions of VirtualBox supports several formats for virtual disks, but they forgot to provide a comparison between them.
VDI
VMDK
VHD
HDD
Now, I am interested about a recommendation or comparison that considers the following:
be able to…
sorin
- 11,840
389
votes
1 answer
Ping faster than light
I just discovered very strange thing while testing my internet connection.
My ping is smaller than it should be. For example ping time to Arizona State University is about 14ms.
eryk@eryk-pc:~$ ping www.asu.edu
PING www.asu.edu.cdn.cloudflare.net…
dagi12
- 2,579
389
votes
4 answers
Go back to previous directory in shell
Is there a way to go back to previous directory we were in using bash,tcsh without using pushd/popd ?
I'd like to type something like "back" and got returned to the previous directory I was in.
Edit:
"cd -" works, but only for current and previous…
Lydon Ch
- 5,969