diff --git a/bash/.bashrc b/bash/.bashrc
index fe15ad6..dc3799d 100644
--- a/bash/.bashrc
+++ b/bash/.bashrc
@@ -18,16 +18,18 @@ fi
 ## 4 - right/left four chars
 export LESS='-C -M -j 3 -R -# 2'
 
-# User specific aliases and functions
+### User specific aliases and functions
+# before you remove, you can unalias with:  \<command>
 alias l.='ls -lh --time-style=long-iso --color' 2>/dev/null
 alias l='ls -lh --color --time-style=long'
 alias ll='ls -lAh --color --time-style=long'
 alias lsd='l -d */'
 alias p='ping'
-alias dmesg='dmesg -H'
+alias dmesg='dmesg -HT'
 alias ip='ip -c'
 #alias s='sudo $(history -p !!)'
 alias s='sudo'
+alias df='sudo df -hT -x tmpfs -x devtmpfs'
 
 ## function and alias for short find
 short_find() {