diff --git a/.vim/.vimrc b/.vim/.vimrc
index 51e9608..e484e9a 100644
--- a/.vim/.vimrc
+++ b/.vim/.vimrc
@@ -28,6 +28,7 @@ set softtabstop=4
 set shiftwidth=4
 set autoindent
 set smartindent
+set nowrap
 
 set noerrorbells
 set novisualbell
@@ -43,6 +44,11 @@ set mouse=a
 set colorcolumn=120
 set scrolloff=7
 
+set virtualedit=onemore  " allow for cursor beyond last character
+
+" f4 toggle hlsearch
+nnoremap <F4> :set invhlsearch<CR>
+
 " navigation on russian
 nmap о j
 nmap л k
@@ -95,7 +101,8 @@ nnoremap <silent> <special> <F3> :NERDTreeToggle <Bar> if &filetype ==# 'nerdtre
 
 let NERDTreeShowBookmarks = 1
 let NERDTreeIgnore = ['\.pyc$', '\.swp', '\.swo', '\.vscode', '__pycache__']
-let NERDTreeHidden = 1 " show hidden files .*
+let NERDTreeChDirMode=2
+let NERDTreeKeepTreeInNewTab=1
 
 set laststatus=2
 let g:lightline = {
diff --git a/Makefile b/Makefile
index 8451f39..129be46 100644
--- a/Makefile
+++ b/Makefile
@@ -5,12 +5,15 @@ backup:
 	mv ~/.bashrc ~/.bashrc.bak || true
 	mv ~/.zshrc ~/.zshrc.bak || true
 	mv ~/.vimrc ~/.vimrc.bak || true
+	mv ~/.vim ~/.vim.bak || true
 	mv ~/.subbash ~/.subbash.bak || true
+	mv ~/.tmux.conf ~/.tmux.conf.bak || true
 
 install:
 	ln -s $(PWD)/.subbash ~ || true
 	ln -s $(PWD)/.bashrc ~ || true
 	ln -s $(PWD)/.zshrc ~ || true
+	ln -s $(PWD)/.tmux.conf ~ || true
 
 vim:
 	ln -s $(PWD)/.vim ~