linux: updated suckless entry to fit structure of others

wiki/images.md

@@ -0,0 +1,17 @@
+# Images
+
+An image is a visual representation of something.
+In the computer context it is a file with an extension like `png`, `jpg`, `gif` among others.
+
+## Clients
+
+- [sxiv](https://github.com/xyb3rt/sxiv) is an image viewer for [Linux'](/wiki/linux.md)
+  [X window system](/wiki/linux/x_window_system.md).
+
+## Editing
+
+Editing images can be done by various image manipulation software.
+A popular cross-platform program for this is [GIMP](https://www.gimp.org/).
+
+Another part of image manipulation is the upscaling of low resolution images.
+This can be done by the cross-platform program [upscayl](https://github.com/upscayl/upscayl).

wiki/linux/suckless.md

@@ -1,15 +1,17 @@
 # Suckless
 
-Suckless is a community that is best known for minimalist free software.
-Notable works include `dwm` and `dmenu`.
+[Suckless](https://suckless.org/) is a community that is best known for minimalist free software.
+Notable works of Suckless are the following.
 
-## Programs
+- [dmenu](https://tools.suckless.org/dmenu/) is a menu with prgram launcher functionality
+- [dwm](https://dwm.suckless.org/) is a window manager
+- [ii](https://tools.suckless.org/ii/) is an IRC client
+- [slock](https://tools.suckless.org/slock/) is a screen locker
+- [st](https://st.suckless.org/) is a [terminal](/wiki/system_console.md)
 
-- dmenu is a menu with prgram launcher functionality
-- dwm is a window manager
-- ii is an IRC client
-- slock is a screen locker
-- st is a [terminal](/wiki/system_console.md)
+Additionally to this Suckless maintains a list of free and open-source software that is endorsed by
+Suckless.
+This list can be found on [Suckless' Website](https://suckless.org/rocks/).
 
 ## Setup
 
@@ -40,7 +42,6 @@ new `feature`
   - Get the `config.def.h` of `master` into `config` with
   `git checkout master config.def.h`
 
-
 ## Troubleshooting
 
 ### suckless program crashes or struggles with colored emojis