All Issues
24,993 verified issues
What does the -p flag do in "mkdir -p"?
What does the flag do in ?
How do I draw a box in GIMP?
I want to draw a box around a portion of my graphic for the purpose of highlighting it. How can I do that?
How can I delete a symbolic link in Windows?
I created a symlink using . Now I need to change it but I can't figure out how to delete it so I can recreate it correctly.
How to find files with certain text in the Terminal
I'd like to find all files that contain a certain string of text. How would you do that in the Terminal?
What are the differences between the rsync delete options?
I see on the rsync man page that there are a number of options, but don't really understand the differences between them. What are the differences between these options?
How do I close the Terminal in OSX from the command line?
Why doesn't "exit" close a Terminal.app window on Mac OS X? Is there a way to close the window without using the mouse?
How can I clear the IP address of Ethernet interface without cycling the interface up/down or restarting it
What is the Linux command to clear IP addresses of an interface without bringing it down and/or restarting network services? Seems strange that is able to change IP addresses but has no option to remove them, or am I wrong?
Change one colour to another?
In GIMP, I have a green button GIF image: it shades from dark green to light green, against a transparent background. I would like to change it to blue, and keep the shading, so it shades from dark blue to light blue. How can I do this?
How do I unset or get rid of a bash function?
If you set or export an environment variable in bash, you can unset it. If you set an alias in bash, you can unalias it. But there doesn't seem to be an unfunction. Consider this (trivial) bash function, for example, set in a .bash_aliases file and read at shell initialization. How can I clear this function definition from my current shell? (Changing the initialization files or restarting the shell doesn't count.)
Is there a shortcut to mkdir foo and immediately cd into it?
This is something I do frequently This works as a single command, but it's more keystrokes and saves no time. Is there a shortcut for this? Edit With the use of help below, this seems to be the most elegant answer.
How can I tell Notepad++ to always use a particular language with a particular file extension
I've associated .xul with Notepad++ so if I double-click on a .xul file, it will open in Notepad++. But Notepad++ doesn't know that XUL is just a particular type of XML, so I then have to manually click on "Language > XML" to get XML syntax highlighting. Is there a way that I can tell it: "every time you open a file with the extension .xul, automatically switch to the XML language"?
What does the @ mean on the output of "ls" on OS X' terminal?
When doing an in a directory I get the following output: I was wondering what the means.
How to download favicon from website?
When you browse a website, the "favicon" icon shows up in the tab or next to the URL (or next to the bookmark). If I want that graphic, is there a way to download it directly from the site? I'd prefer to download it directly from the web, but if all else fails, I'll dig it out of wherever it is stored on my computer (Windows 7, Firefox 3.6.6).
What does export do in BASH?
Possible Duplicate: Difference between “a=b” and “export a=b” in bash It is hard to admit, but I have never really understood what exactly does to an environment variable. I know that if I don't export a variable I sometimes can't see it in child processes, but sometimes it seems like I can. What is really going on when I say and when should I not export a variable?
have Powershell get-childitem return files only
I'd like to use get-childitem recursively, but only have it return files not directories. The best solution I have just doesn't seem natural:
How to get parent PID of a given process in GNU/Linux from command line?
Resolved before asked:
What is the difference between "local" and "roaming" folders?
Possible Duplicate: Why are there directories called Local, LocalLow, and Roaming under \Users\<username>? I've been poking around some of folders on my Windows 7 Home Premium install, and I've noticed that in I now have three folders: Local LocalLow Roaming What is the difference between all of these three folders?
How do I create a relative symbolic link in Linux?
I need a symlink that resolves relative to the directory it is placed in. What command is used to create such a thing?
How to run a batch file without launching a "command window"?
On Windows XP, can I run a batch (.bat or .cmd) file, via a shortcut, without a "black window"?
How do I add Python to the Windows PATH?
I want to be able to run Python commands from the Windows CMD. However, if I don't specify Python's full path for each command, I get an error saying "Python is not recognized as an internal or external command, operable program or batch file." How do I add Python to the Windows PATH permanently?