diff --git a/files/root/.bashrc b/files/root/.bashrc
index 2bd2cd648..ce4103969 100644
--- a/files/root/.bashrc
+++ b/files/root/.bashrc
@@ -11,16 +11,14 @@
 [ -z "$PS1" ] && return
 
 # color, abbreviation
-COLOR_OPTIONS='--color=auto'
 eval "$(dircolors)"
-alias l='ls'
-alias ls='ls $COLOR_OPTIONS'
-alias ll='ls $COLOR_OPTIONS -l'
-alias la='ls $COLOR_OPTIONS -A'
-alias lla='ls $COLOR_OPTIONS -lA'
-alias grep='grep $COLOR_OPTIONS'
-alias fgrep='fgrep $COLOR_OPTIONS'
-alias egrep='egrep $COLOR_OPTIONS'
+alias ls='ls --color=auto'
+alias l='ls -F'
+alias ll='ls -lh'
+alias la='ls -A'
+alias grep='grep --color=auto'
+alias fgrep='fgrep --color=auto'
+alias egrep='egrep --color=auto'
 
 # history
 HISTCONTROL=ignoredups:ignorespace