i3status: add page (#7398)

pages/linux/i3status.md

@@ -0,0 +1,17 @@
+# i3status
+
+> Status line for the i3 window manager.
+> This command is usually called from the i3 configuration file.
+> More information: <https://i3wm.org/i3status/manpage.html>.
+
+- Print the status line to stdout periodically, using the default configuration:
+
+`i3status`
+
+- Print the status line to stdout periodically, using a specific configuration:
+
+`i3status -c {{path/to/i3status.conf}}`
+
+- Display the `i3status` version and help:
+
+`i3status -h`