diff --git a/.vim/plugin/keymap.vim b/.vim/plugin/keymap.vim
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+" See https://vim.fandom.com/wiki/Mapping_fast_keycodes_in_terminal_Vim
+" See termcap-options for mapped key info
+" Some may not mapped correctly mapped for F1 to F4 (See vt100-function-keys )
+" To set them, you can have a look at https://vim.fandom.com/wiki/Mapping_keys_in_Vim_-_Tutorial_(Part_2)
+" :set <S-F1>=<press Ctrl-V> <press S-F1><press esc>
+" Those are the key for gnome-terminal with zsh on archlinux
+if &term =~ "xterm."
+        set <S-F1>=
+        set <S-F2>=
+        set <S-F3>=
+        set <S-F4>=
+endif
+"you could also direclty map them
+" map <press ctrl-V><press your key map> :some vimcmds <press Ctrl-V><press
+" enter>
+" you can check the result with :map <press ctrl-V><press your key map>