If I select multiple BMP or PNG files, only one instance of Photo Viewer opens up (I haven't noticed this before because most of the time I deal with JPEGs ). But if the file selected last is a JPG then multiple instances of Photo Viewer pop up. So even if I select 10 PNGs and then a single JPG - multiple instances (11 to be exact) The file format is as follows. seconds mean-average min max How would I go about plotting these graphs automatically? So I run a file called bash.sh and it will get the 6 files and output the graphs to different.png files. Titles and axis labels are also required. I just can't find the command to display a *.png image! I tried xdg-open command but it failed: [student@seqpapl1 Images]$ xdg-open adapter_content.png xdg-open: no method available for opening ' Xcursor is a format for the graphics of the cursor in X11 (file reports X11 cursor). xcursorgen allows you to convert PNG files and some metadata to Xcursor files. How do I convert an Xcursor fil. To add to this answer: my .desktop file had an Icon entry that pointed to a file that did not exist. This prevented the entry from showing up at all in my menus. How to Choose Default Apps to Open Files with in Windows 10 A default app is the program that Windows uses automatically when you open a particular file type or protocol. The default app you choose will only apply to your account and will not affect other accounts on the PC. The default. hey that seems to go in the right direction, if open an image I compiled with 300 DPI i get the value 299,999 × 299,999 PPI for the resolution. Do you have any command-line solution to grep this value of a PNG file? How to Restore Default Apps for File Type Associations in Windows 10 A default app is the program that Windows uses automatically when you open a particular file type or protocol. Default app associations for file extensions are a per user setting by default, so you will need to be signed in. I can only get it on the desktop as a shortcut to the file (jpg) containing the picture (and tiny icon) or as an ico file being a tiny icon too small to see properly. Note - I use small icons as I have a huge number on the desktop - in any case I want to size the picture myself. I do not want to change my background. Actually, there is a way to show a PNG file in a terminal in text-mode, using picture-tube: You can look at the project on GitHub. The image is of course an approximation of the actual image, given the fact that the smallest pixel is a character - try to have a look at the result in a text editor, you will see a huge number of color codes.