diff --git a/.bashrc b/.bashrc
index 4cd0937..dc3419d 100644
--- a/.bashrc
+++ b/.bashrc
@@ -145,3 +145,19 @@ elif type compctl &>/dev/null; then
   }
   compctl -K _npm_completion npm
 fi
+
+# >>> conda initialize >>>
+# !! Contents within this block are managed by 'conda init' !!
+__conda_setup="$('/home/escorponox/anaconda3/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"
+if [ $? -eq 0 ]; then
+    eval "$__conda_setup"
+else
+    if [ -f "/home/escorponox/anaconda3/etc/profile.d/conda.sh" ]; then
+        . "/home/escorponox/anaconda3/etc/profile.d/conda.sh"
+    else
+        export PATH="/home/escorponox/anaconda3/bin:$PATH"
+    fi
+fi
+unset __conda_setup
+# <<< conda initialize <<<
+
diff --git a/.config/nvim/coc-settings.json b/.config/nvim/coc-settings.json
index e8d3cc8..15878fd 100644
--- a/.config/nvim/coc-settings.json
+++ b/.config/nvim/coc-settings.json
@@ -18,5 +18,13 @@
   "diagnostic.virtualText": true,
   "diagnostic.enableMessage": "always",
   "coc.preferences.hoverTarget": "preview",
-  "javascript.suggestionActions.enabled": false
+  "javascript.suggestionActions.enabled": false,
+  "list.normalMappings": {
+    "t": "action:tabe",
+    "s": "action:vsplit"
+  },
+  "list.insertMappings": {
+    "<C-t>": "action:tabe",
+    "<C-v>": "action:vsplit"
+  }
 }
diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 77eb48f..c8c6e2c 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -20,7 +20,7 @@ Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
 Plug 'junegunn/fzf.vim'
 Plug 'scrooloose/nerdtree'
 Plug 'neoclide/coc.nvim', {'tag': '*', 'do': { -> coc#util#install()}}
-" Plug 'wincent/ferret'
+Plug 'wincent/ferret'
 " Plug 'iamcco/markdown-preview.nvim', { 'do': 'cd app & yarn install'  }
 
 call plug#end()
@@ -70,6 +70,7 @@ set cursorline
 
 " ======= duplicate line command ======
 command! -count=0 DuplicateLine :-<count>,-0t.
+command! -nargs=+ CopyLine execute split(<q-args>, ' ')[0] . ',' . split(<q-args>, ' ')[1] . 't.'
 
 " ====== COC highlights =====
 hi CocErrorHighlight ctermbg=124 guibg=#990026
@@ -81,7 +82,7 @@ hi CocHighlightText ctermbg=223 guibg=#2e3d6b
 
 autocmd CursorHold * silent call CocActionAsync('highlight')
 
-let g:airline#extensions#tabline#enabled = 1
+let g:airline#extensions#tabline#enabled = 0
 
 let g:airline#extensions#tabline#left_sep = '='
 let g:airline#extensions#tabline#left_alt_sep = '|'
@@ -215,14 +216,13 @@ nnoremap ,bn :bn<CR>
 " nnoremap ,e :buffers<CR>:buffer<Space>
 
 " windows
-nnoremap ,z <C-W>x
+nnoremap ,z <C-W>\|
 nnoremap ,h <C-W>h
 nnoremap ,j <C-W>j
 nnoremap ,k <C-W>k
 nnoremap ,l <C-W>l
 nnoremap ,= <C-W>=
-" kill all windows but current
-nnoremap ,x :only<CR>
+nnoremap ,x <C-W>x
 nnoremap ,c :close<CR>
 
 " tabs
@@ -239,6 +239,7 @@ nmap <Leader>hi <Plug>GitGutterPreviewHunk
 
 "duplicate
 nnoremap ,a :DuplicateLine<space>
+nnoremap ,A :CopyLine<space>
 
 "complete
 inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
@@ -255,8 +256,6 @@ nmap <silent> gl <Plug>(coc-codelens-action)
 nmap <silent> <C-k> <Plug>(coc-diagnostic-prev)
 nmap <silent> <C-j> <Plug>(coc-diagnostic-next)
 
-
-
 " ==== nameless buffers ===
 command -bang CloseNamelessBuffers call s:CloseNamelessBuffers(<bang>0)
 
diff --git a/.tmux.conf b/.tmux.conf
index 125afd6..d75e6c5 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,6 +1,7 @@
 bind-key = select-layout even-horizontal
 bind-key v split-window -h
 bind-key -r o select-pane -t :.+
+bind-key -r O select-pane -t :.-
 
 set -g default-terminal "xterm-256color"
 set-option -ga terminal-overrides ",xterm-256color:Tc"