diff --git a/zsh/zsh.d/10-environment b/zsh/zsh.d/10-environment
index adf04cf..4d12ffc 100644
--- a/zsh/zsh.d/10-environment
+++ b/zsh/zsh.d/10-environment
@@ -21,4 +21,7 @@ LOGCHECK=30
 REPORTTIME=15
 WATCH=notme
 WATCHFMT="%n %a %l (%m) at %t."
+
+# Set umask to collaborative mode
+umask 002
 #  vim: set ts=4 sw=4 tw=0 ft=zsh : 
diff --git a/zsh/zsh.d/20-complete b/zsh/zsh.d/20-complete
index 7a4ecb6..61bb38b 100644
--- a/zsh/zsh.d/20-complete
+++ b/zsh/zsh.d/20-complete
@@ -1,6 +1,6 @@
 #######################################################################################
 # Start autocomplete
-# autoload -U compinit; compinit
+autoload -U compinit; compinit
 autoload -U compsys;
 compctl -g "*(-/)" + -g ".*(-/)" cd
 
diff --git a/zsh/zsh.d/30-aliases b/zsh/zsh.d/30-aliases
index e2b6fa3..184930a 100644
--- a/zsh/zsh.d/30-aliases
+++ b/zsh/zsh.d/30-aliases
@@ -2,10 +2,10 @@
 # Aliases
 
 alias ls='ls -F --color'
+alias dir='ls -l'
 alias la='ls -A'
 alias ll='ls -l'
-alias dir='ls -l'
-alias lla='la -l'
+alias lla='ls -Al'
 
 alias killall='killall -v'
 alias cls='clear'
@@ -13,6 +13,7 @@ alias cls='clear'
 alias dc=cd
 alias les=less
 alias fu='sudo $(fc -ln -1)'
+alias sudo='sudo '
 
 alias mkdir='mkdir -p'
 alias zap='rm -rf'
diff --git a/zsh/zsh.d/90-functions b/zsh/zsh.d/90-functions
index b39fa6f..95cdcae 100644
--- a/zsh/zsh.d/90-functions
+++ b/zsh/zsh.d/90-functions
@@ -10,7 +10,7 @@ function hist { grep -i $* $HISTFILE }
 # hdu - Human readable report of files and directories sizes
 #       *Same behaviour as du*
 function hdu () {
-    du -k $* | sort -nr | awk '{
+    du -kc $* | sort -nr | awk '{
         # Prepare human readable
         if($1>=1024*1024) { size=$1/1024/1024; unit="G" }
         else if($1>=1024) { size=$1/1024;      unit="M" }