diff --git a/.screenrc b/.screenrc
index e0d5892..fdb2f6b 100644
--- a/.screenrc
+++ b/.screenrc
@@ -11,7 +11,7 @@
 
 startup_message off
 
-chdir /home/simplonco/Bureau/
+chdir $HOME/
 
 #pour afficher une ligne avec des infos
 hardstatus on
diff --git a/git.txt b/git.txt
index fdbeb4c..37654cf 100644
--- a/git.txt
+++ b/git.txt
@@ -10,7 +10,8 @@
 **git push** pushes the modifications to the distant repository github (remote)
 **git remote -v** lists all distant origins, remotes, your local git project knows (in other words it lists a git project's remotes)
 **git remote show origin** show the state of the remote and its branches
-		**git remote rm remote_name** supprimer un remote
+		**git remote rm remote_name** delete a remote
+		**git remote set-url remote_name new_name** change remote name
 		**git pull** pull any changes from the remote
 		**git clone** creates a local copy of a remote
 **git branch** lists all a git project's branches
@@ -31,3 +32,4 @@
 **git stash** saves the uncommited changes besides for later use
 **git stash pop** reapply the stashed changes and removes them from the stash area
 **git stash apply** reaply the stashed changes and keep them in the stash area
+**git config --global credential.helper store** store the passwords in .git-credentials in the HOME directory (thanks to global, as opposed to the project directory) so you don't have tot type it each time
diff --git a/shell.txt b/shell.txt
index 9a3ad15..eefc86d 100644
--- a/shell.txt
+++ b/shell.txt
@@ -6,6 +6,7 @@
 **fg** relance le dernier travail mis sur pause
 **mkdir file{1..10}** creer 10 dossiers nommés de file1 à file10
 **pwd** print working directory
+**xdg-open .** open working directory
 
 **pdftotext** transforme un pdf en un fichier texte
 **^** designe le debut d'une ligne
diff --git a/vim.txt b/vim.txt
index 9ba9815..a4c2080 100644
--- a/vim.txt
+++ b/vim.txt
@@ -1,6 +1,10 @@
 /MODE INSERTION/
-**i** mode insertion (écrire du texte)
+**i** mode insertion avant le curseur
+**I** mode insertion au debut de la ligne
+**a** mode insertion apres le curseur
+**A** mode insertion a la fin de la ligne
 **o** mode insertion a la ligne
+**O** mode insertion a la ligne du dessus
 **3iTEXT** ecrira trois fois TEXT
 **ctrl r** * colle depuis le clipboard en mode insertion