Added statement so cd will only tab complete dir names

bash/.bashrc

@@ -24,9 +24,13 @@ alias l='ls -lh --color --time-style=long'
 alias ll='ls -lah --color --time-style=long'
 alias lsd='l -d */'
 alias p='ping'
-alias s='sudo'
 alias dmesg='dmesg -H'
 alias ip='ip -c'
+#alias s='sudo $(history -p !!)'
+alias s='sudo'
+
+# make tab after cd only complete using dir names
+complete -d cd
 
 #golang stuff
 export GOPATH=$HOME/gopath