diff --git a/init.lua b/init.lua
index f4409b1..b4ab18a 100644
--- a/init.lua
+++ b/init.lua
@@ -10,3 +10,4 @@ require("config.comment")
 require("config.themery")
 require("config.theme")
 require("config.lualine")
+require("config.fterm")
diff --git a/lazy-lock.json b/lazy-lock.json
index 092490b..ed552f0 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -1,14 +1,15 @@
 {
+  "FTerm.nvim": { "branch": "master", "commit": "d1320892cc2ebab472935242d9d992a2c9570180" },
   "LuaSnip": { "branch": "master", "commit": "8ae1dedd988eb56441b7858bd1e8554dfadaa46d" },
   "catppuccin": { "branch": "main", "commit": "aebe43db9cb26e1c70fc5b2fd4158169c405e720" },
   "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
   "cmp-cmdline": { "branch": "main", "commit": "d250c63aa13ead745e3a40f61fdd3470efde3923" },
   "cmp-nvim-lsp": { "branch": "main", "commit": "5af77f54de1b16c34b23cba810150689a3a90312" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
-  "lazy.nvim": { "branch": "main", "commit": "bef521ac89c8d423f9d092e37b58e8af0c099309" },
+  "lazy.nvim": { "branch": "main", "commit": "31ddbea7c10b6920c9077b66c97951ca8682d5c8" },
   "lspkind.nvim": { "branch": "master", "commit": "1735dd5a5054c1fb7feaf8e8658dbab925f4f0cf" },
   "lualine.nvim": { "branch": "master", "commit": "0a5a66803c7407767b799067986b4dc3036e1983" },
-  "mason-lspconfig.nvim": { "branch": "main", "commit": "9dfcf2036c223920826140f0151d929a43f9eceb" },
+  "mason-lspconfig.nvim": { "branch": "main", "commit": "44509689b9bf3984d729cc264aacb31cb7f41668" },
   "mason.nvim": { "branch": "main", "commit": "751b1fcbf3d3b783fcf8d48865264a9bcd8f9b10" },
   "monokai.nvim": { "branch": "master", "commit": "b8bd44d5796503173627d7a1fc51f77ec3a08a63" },
   "nvim-cmp": { "branch": "main", "commit": "ce16de5665c766f39c271705b17fff06f7bcb84f" },
diff --git a/lua/config/fterm.lua b/lua/config/fterm.lua
new file mode 100644
index 0000000..b9ab0dd
--- /dev/null
+++ b/lua/config/fterm.lua
@@ -0,0 +1,3 @@
+require("FTerm").setup({
+    blend = 25
+})
diff --git a/lua/keymaps.lua b/lua/keymaps.lua
index fedc054..06cdb37 100644
--- a/lua/keymaps.lua
+++ b/lua/keymaps.lua
@@ -1,9 +1,22 @@
+local fterm = require('FTerm')
 local keymap = vim.api.nvim_set_keymap
 local opts = { noremap = true, silent = true }
+local api = vim.api
+
+-- Custom commands
+api.nvim_create_user_command('FTermToggle', fterm.toggle, { bang = true })
+api.nvim_create_user_command('FTermClose', fterm.close, { bang = true })
 
 local mappings = {
     n = {
+        -- highlighting
         ["<leader>nh"] = ":nohl<CR>",
+        -- move between buffers
+        ["<c-h>"]      = "<C-w>h",
+        ["<c-j>"]      = "<C-w>j",
+        ["<c-k>"]      = "<C-w>k",
+        ["<c-l>"]      = "<C-w>l",
+        -- open and close buggers
         ["<leader>sv"] = "<C-w>s",
         ["<leader>sh"] = "<C-w>v",
         ["<leader>se"] = "<C-w>=",
@@ -11,39 +24,45 @@ local mappings = {
         -- nvim-tree
         ["<leader>e"]  = ":NvimTreeToggle<CR>",
         ["<leader>cf"] = ":NvimTreeCollapse<CR>",
-        -- lsp
+        -- LSP
         ["<leader>ls"] = ":lspstop<CR>",
         ["<leader>lo"] = ":lspstart<CR>",
-        -- move between buffers
-        ["<c-h>"]      = "<C-w>h",
-        ["<c-j>"]      = "<C-w>j",
-        ["<c-k>"]      = "<C-w>k",
-        ["<c-l>"]      = "<C-w>l",
+        -- Telescope
         ["<leader>ff"] = "<cmd>Telescope find_files<CR>",
         ["<leader>fw"] = "<cmd>Telescope live_grep<CR>",
         ["<leader>fc"] = "<cmd>Telescope grep_string<CR>",
         ["<leader>th"] = "<cmd>Themery<CR>",
-        ["<leader>sm"] = ":MaximizerToggle<CR>"
+        ["<leader>sm"] = ":MaximizerToggle<CR>",
+        -- FTerm
+        ["<leader>h"]  = "<cmd>FTermToggle<CR>"
     },
     x = {
-        ["J"] = ":move '>+1<CR>gv-gv",
-        ["K"] = ":move '<-2<CR>gv-gv",
         ["<A-j>"] = ":move '>+1<CR>gv-gv",
         ["<A-k>"] = ":move '<-2<CR>gv-gv",
     },
     i = {
-        ["c-j"] = [[<cmd>lua require('copilot').accept()<CR>]],
-        ["<m-l>"] = "<esc>",
+        ["<C-Space>"] = { 'copilot#Accept("<CR>")', expr = true },
+        ["<A-l>"] = "<esc>",
     },
+    t = {
+        ["A-l"] = "<cmd>FTermClose<CR>"
+    }
 }
 
 for mode, mode_mappings in pairs(mappings) do
     for key, mapping in pairs(mode_mappings) do
         if type(mapping) == "function" then
-            keymap(mode, key, "<cmd>lua " .. mapping() .. "<>", opts)
+            -- For direct Lua function calls; ensure your function returns a string command
+            keymap(mode, key, "<cmd>lua " .. mapping() .. "<CR>", opts)
+        elseif type(mapping) == "table" and mapping.expr then
+            -- For expression mappings, like for copilot
+            local expr_opts = vim.tbl_extend("force", opts, { expr = true })
+            keymap(mode, key, mapping[1], expr_opts)
         elseif type(mapping) == "table" then
+            -- For mappings that have their options specified directly
             keymap(mode, key, mapping[1], mapping[2] or opts)
         else
+            -- For simple string command mappings
             keymap(mode, key, mapping, opts)
         end
     end
diff --git a/lua/lsp.lua b/lua/lsp.lua
index 8ab0d23..a133758 100644
--- a/lua/lsp.lua
+++ b/lua/lsp.lua
@@ -1,14 +1,5 @@
--- Set different settings for different languages' LSP
--- LSP list: https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
--- How to use setup({}): https://github.com/neovim/nvim-lspconfig/wiki/Understanding-setup-%7B%7D
---     - the settings table is sent to the LSP
---     - on_attach: a lua callback function to run after LSP attaches to a given buffer
 local lspconfig = require('lspconfig')
 
--- Customized on_attach function
--- See `:help vim.diagnostic.*` for documentation on any of the below functions
-local opts = { noremap = true, silent = true }
-
 local mappings = {
     ['<leader>k'] = vim.diagnostic.open_float,
     ['[d'] = vim.diagnostic.goto_prev,
diff --git a/lua/options.lua b/lua/options.lua
index 1c53cc6..3a59061 100644
--- a/lua/options.lua
+++ b/lua/options.lua
@@ -5,7 +5,7 @@ local global = vim.g
 -- Hint: use `:h <option>` to figure out the meaning if needed
 opt.clipboard = "unnamedplus" -- use system clipboard
 opt.completeopt = { "menu", "menuone", "noselect" }
-opt.mouse = "a" -- allow the mouse to be used in Nvim
+opt.mouse = "a"               -- allow the mouse to be used in Nvim
 
 -- General
 opt.wrap = false
@@ -18,31 +18,33 @@ opt.cursorline = true
 opt.backspace = "indent,eol,start"
 
 -- Tab
-opt.tabstop = 4 -- number of visual spaces per TAB
-opt.softtabstop = 4 -- number of spacesin tab when editing
-opt.shiftwidth = 4 -- insert 4 spaces on a tab
+opt.tabstop = 4      -- number of visual spaces per TAB
+opt.softtabstop = 4  -- number of spacesin tab when editing
+opt.shiftwidth = 4   -- insert 4 spaces on a tab
 opt.expandtab = true -- tabs are spaces, mainly because of python
 
 -- UI config
-opt.number = true -- show absolute number
+opt.number = true        -- show absolute number
 -- opt.relativenumber = true -- add numbers to each line on the left side
-opt.cursorline = true -- highlight cursor line underneath the cursor horizontally
-opt.splitbelow = true -- open new vertical split bottom
-opt.splitright = true -- open new horizontal splits right
+opt.cursorline = true    -- highlight cursor line underneath the cursor horizontally
+opt.splitbelow = true    -- open new vertical split bottom
+opt.splitright = true    -- open new horizontal splits right
 opt.termguicolors = true -- enabl 24-bit RGB color in the TUI
 
 -- Searching
-opt.incsearch = true -- search as characters are entered
-opt.hlsearch = false -- do not highlight matches
+opt.incsearch = true  -- search as characters are entered
+opt.hlsearch = false  -- do not highlight matches
 opt.ignorecase = true -- ignore case in searches by default
-opt.smartcase = true -- but make it case sensitive if an uppercase is entered
+opt.smartcase = true  -- but make it case sensitive if an uppercase is entered
 
--- Show trailing whitespace
+-- History
+opt.undofile = true
+opt.undodir = os.getenv("HOME") .. "/.local/share/nvim/undo"
+
+-- Whitespace
 api.nvim_set_option("list", true)
 api.nvim_set_option("listchars", "eol:$,nbsp:_,tab:>-,trail:~,extends:>,precedes:<")
-
--- Remove whitespace on save
 api.nvim_create_autocmd({ "BufWritePre" }, {
-	pattern = { "*" },
-	command = [[if &filetype !~# 'lsp' | %s/\s\+$//e | endif]],
+    pattern = { "*" },
+    command = [[if &filetype !~# 'lsp' | %s/\s\+$//e | endif]],
 })
diff --git a/lua/plugins.lua b/lua/plugins.lua
index c76efa3..b35d3f9 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -56,5 +56,7 @@ require("lazy").setup({
     {
         'nvim-lualine/lualine.nvim',
         dependencies = { 'nvim-tree/nvim-web-devicons' }
-    }
+    },
+    'numToStr/FTerm.nvim',
+    'github/copilot.vim'
 })
diff --git a/requirements.md b/requirements.md
index 3105257..7af35ea 100644
--- a/requirements.md
+++ b/requirements.md
@@ -3,6 +3,7 @@
 - lsp with mason x
 - telescope x
 - theming x
-- tabfluline
+- tabfluline x
+- terminal
 - harpoon
 - extended history