diff --git a/bashrc b/bashrc
index 8f26ba2..9e468ab 100644
--- a/bashrc
+++ b/bashrc
@@ -121,6 +121,7 @@ function tsh(){
 extract () {
   if [ -f $1 ] ; then
     case $1 in
+      *.tar.xz)    tar xvf $1     ;;
       *.tar.bz2)   tar xvjf $1    ;;
       *.tar.gz)    tar xvzf $1    ;;
       *.bz2)       bunzip2 $1     ;;
diff --git a/gitconfig b/gitconfig
index 77aef47..aa78b49 100644
--- a/gitconfig
+++ b/gitconfig
@@ -15,6 +15,7 @@
   dump = cat-file -p
   d = difftool
   cbranch  = !sh -c 'git commit -m \"$2\"&&git branch $1&&git reset --hard HEAD~1&&git co \"$1\"' -
+  size = "!git diff --cached --binary | wc -c | numfmt --to=iec-i"
 [push]
   default = matching
 [core]
diff --git a/vimperatorrc b/vimperatorrc
index e5cdc5e..f35f882 100644
--- a/vimperatorrc
+++ b/vimperatorrc
@@ -1,3 +1,28 @@
+nunmap j
+nunmap k
+unmap J
+unmap K
+unmap <C-j>
+unmap <C-k>
+unmap gH
+unmap gt
+unmap gT
+unmap Y
+unmap !!
+unmap <C-o>
+unmap <C-i>
+unmap G
+unmap gg
+unmap /
+unmap a
+unmap A
+iunmap <C-L>
+iunmap <C-H>
+iunmap <C-b>
+iunmap <C-w>
+vunmap L
+vunmap H
+
 nnoremap j 6j
 nnoremap k 6k
 noremap J gt
@@ -16,8 +41,11 @@ noremap gg mpgg<Esc>
 noremap / mp/
 noremap a A
 noremap A a
-inoremap L $
-inoremap H ^
+inoremap <C-L> <End>
+inoremap <C-H> <Home>
+inoremap <C-b> <C-Left>
+inoremap <C-w> <C-Right>
+inoremap <C-d><C-d> <Home><S-End><BS>
 vnoremap L $
 vnoremap H ^
 set animations=true
diff --git a/vimrc b/vimrc
index 77f70ab..b07fd8b 100644
--- a/vimrc
+++ b/vimrc
@@ -67,6 +67,7 @@ vnoremap j gj
 vnoremap k gk
 vnoremap H ^
 vnoremap L $h
+vnoremap ; :
 nnoremap gj j
 nnoremap gk k
 nnoremap j gj