diff --git a/.bashrc b/.bashrc
index c543034..dec6805 100644
--- a/.bashrc
+++ b/.bashrc
@@ -19,7 +19,12 @@ unset color_prompt force_color_prompt
 # gitg branch views, line from https://gitlab.com/dhole/dot_files/blob/master/.bash_aliases#L39
 alias gitg="git log --color --graph --abbrev-commit --pretty=format:'%Cred%h%Creset%C(yellow)%d%Creset %s %Cgreen(%ar)%C(cyan) %an<%ae>%Creset'"
 
-# nvim alias
+# ls aliases
+alias ll='ls -alF'
+alias la='ls -A'
+alias l='ls -CF'
+
+# nvim & tmux alias
 alias n='nvim'
 alias t='tmux'
 
@@ -34,3 +39,5 @@ export PATH="$HOME/.cargo/bin:$PATH"
 # python
 alias python='/usr/bin/python3.6'
 alias pip='/usr/bin/pip3'
+
+export EDITOR=nvim
diff --git a/README.md b/README.md
index 8f2dc71..4a02498 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,13 @@ config files
 	- install https://github.com/junegunn/vim-plug
 	- inside neovim, execute: `:PlugInstall`
 - `.bashrc`
-	- in `~/home` directory
+	- in `~/home/.bashrc` directory
 	- execute `source .bashrc`
 - Tmux: `.tmux.conf`
-	- in `~/home` directory
+	- in `~/home/.tmux.conf` directory
 - Keyboard remap `.Xmodmap`
-	- in `~/home`
+	- in `~/home/.Xmodmap`
 	- changes will be applied each session start
 	- to apply changes in the current session use `xmodmap ~/.Xmodmap`
+- Redshift `redshift.conf`
+	- in `~/.conf/redshift.conf`
diff --git a/init.vim b/init.vim
index 365a47f..b4d38d7 100644
--- a/init.vim
+++ b/init.vim
@@ -8,6 +8,7 @@ Plug 'airblade/vim-gitgutter'
 Plug 'Raimondi/delimitMate'
 Plug 'scrooloose/syntastic'
 Plug 'scrooloose/nerdcommenter'
+Plug 'majutsushi/tagbar'
 
 " go
 Plug 'fatih/vim-go' " Amazing combination of features.
@@ -94,6 +95,7 @@ let g:airline_theme='one'
 let g:airline#extensions#syntastic#enabled = 1
 let g:airline#extensions#branch#enabled = 1
 let g:airline#extensions#tabline#enabled = 1
+let g:airline#extensions#tabline#buffer_nr_show = 1
 let g:airline#extensions#tagbar#enabled = 1
 let g:airline_skip_empty_sections = 1
 
@@ -128,6 +130,10 @@ noremap <C-k> <C-w>k
 noremap <C-l> <C-w>l
 noremap <C-h> <C-w>h
 
+" scroll
+set scrolloff=5               " keep at least 5 lines above/below
+set sidescrolloff=5           " keep at least 5 lines left/right
+
 
 " syntastic
 let g:syntastic_always_populate_loc_list=1
@@ -169,3 +175,4 @@ let g:go_highlight_extra_types = 1
 
 "" esc mapping
 inoremap jk <ESC>
+tnoremap jk <C-\><C-n>
diff --git a/redshift.conf b/redshift.conf
new file mode 100644
index 0000000..22cd34b
--- /dev/null
+++ b/redshift.conf
@@ -0,0 +1,57 @@
+; Global settings for redshift
+[redshift]
+; Set the day and night screen temperatures
+temp-day=5700
+; temp-night=3500
+temp-night=4500
+
+; Enable/Disable a smooth transition between day and night
+; 0 will cause a direct change from day to night screen temperature.
+; 1 will gradually increase or decrease the screen temperature.
+transition=1
+
+; Set the screen brightness. Default is 1.0.
+;brightness=0.9
+; It is also possible to use different settings for day and night
+; since version 1.8.
+;brightness-day=0.7
+;brightness-night=0.4
+; Set the screen gamma (for all colors, or each color channel
+; individually)
+gamma=0.8
+;gamma=0.8:0.7:0.8
+; This can also be set individually for day and night since
+; version 1.10.
+;gamma-day=0.8:0.7:0.8
+;gamma-night=0.6
+
+; Set the location-provider: 'geoclue', 'geoclue2', 'manual'
+; type 'redshift -l list' to see possible values.
+; The location provider settings are in a different section.
+location-provider=manual
+
+; Set the adjustment-method: 'randr', 'vidmode'
+; type 'redshift -m list' to see all possible values.
+; 'randr' is the preferred method, 'vidmode' is an older API.
+; but works in some cases when 'randr' does not.
+; The adjustment method settings are in a different section.
+adjustment-method=randr
+
+; Configuration of the location-provider:
+; type 'redshift -l PROVIDER:help' to see the settings.
+; ex: 'redshift -l manual:help'
+; Keep in mind that longitudes west of Greenwich (e.g. the Americas)
+; are negative numbers.
+[manual]
+lat=48.8
+lon=2.3
+
+; Configuration of the adjustment-method
+; type 'redshift -m METHOD:help' to see the settings.
+; ex: 'redshift -m randr:help'
+; In this example, randr is configured to adjust screen 1.
+; Note that the numbering starts from 0, so this is actually the
+; second screen. If this option is not specified, Redshift will try
+; to adjust _all_ screens.
+; [randr]
+; screen=1