diff --git a/tutos/computer.txt b/tutos/computer.txt
index 1b3efa7..f597465 100644
--- a/tutos/computer.txt
+++ b/tutos/computer.txt
@@ -22,6 +22,27 @@
 	- launch pavucontrol (pulse audio volume controle)
 		- choose the simultaneous output (this will also enable the computer speakers, so you might want to put them at 0)
 
+**open .URL files :**
+	https://askubuntu.com/questions/353932/equivalent-of-url-file-on-ubuntu#353952
+	- create a file (ex: 'open_url') in /usr/local/bin/ (or another bin directory located in $PATH)
+	- in this file :
+		```
+			#!/usr/bin/bash
+			if [ "$1" == "" ] || [ "$1" == "--help" ] ; then
+				echo "$(basename "$0") URLFILE - opens a .url file in the default browser"
+			else
+				sed 's/^BASEURL=/URL=/' "$1" | grep -m 1 '^URL=' | sed 's/^URL=//' | sed 's/\r//' | xargs xdg-open
+			fi
+		```
+	- give execution permission : `chmod +x /usr/local/bin/open_url`
+	- tell the file manager to use this script to open .URL files :
+		- right click on a .URL file
+		- open with other application
+		- 'use a custom command' : /usr/local/bin/open_url
+		- 'use as default for this kind of file' (or equivalent)
+		- open :)
+
+
 **pdftotext** transforme un pdf en un fichier texte
 **^** designe le debut d'une ligne
 * n'importe quel caractere autant de fois que possible
diff --git a/tutos/vim.txt b/tutos/vim.txt
index 20c59ba..600b669 100644
--- a/tutos/vim.txt
+++ b/tutos/vim.txt
@@ -30,6 +30,7 @@
 	**:bp** go to previous buffer
 	**:bn** go to next buffer
 	**:b#** switch to last edited buffer
+	**:e.** open a temporary navigation explorer
 	**:Explore / :ex<tab>** navigate through directory, rename, and plus
 	**:Lexplore / :Lex<tab>** buffer directory open in left split window
 	**:Lexplore 30** Explore window is of size 30