diff --git a/init.lua b/init.lua
index c174d3c..4b3ce5b 100644
--- a/init.lua
+++ b/init.lua
@@ -21,5 +21,6 @@ require("lazy").setup({ { import = "plugins" } })
 require("sets")
 require("remaps")
 require("filetypes")
+require("commands")
 
 vim.notify("starting nvim 🏕️")
diff --git a/lua/commands.lua b/lua/commands.lua
new file mode 100644
index 0000000..67fff56
--- /dev/null
+++ b/lua/commands.lua
@@ -0,0 +1,21 @@
+vim.api.nvim_create_user_command("Tabs",
+	function(opts)
+		vim.bo[0].expandtab = false
+		if (opts.fargs[1] ~= nil) then
+			vim.bo[0].shiftwidth = tonumber(opts.fargs[1])
+			vim.bo[0].tabstop = tonumber(opts.fargs[1])
+		end
+	end,
+	{ nargs = "?" }
+)
+
+vim.api.nvim_create_user_command("NoTabs",
+	function(opts)
+		vim.bo[0].expandtab = true
+		if (opts.fargs[1] ~= nil) then
+			vim.bo[0].shiftwidth = tonumber(opts.fargs[1])
+			vim.bo[0].tabstop = tonumber(opts.fargs[1])
+		end
+	end,
+	{ nargs = "?" }
+)
diff --git a/lua/filetypes.lua b/lua/filetypes.lua
index 7c232a4..06635db 100644
--- a/lua/filetypes.lua
+++ b/lua/filetypes.lua
@@ -12,5 +12,11 @@ vim.filetype.add({
 		end,
 		idr = "idris2",
 		wgsl = "wgsl",
+		nix = function(_, bufnr)
+			vim.bo[bufnr].shiftwidth = 2
+			vim.bo[bufnr].tabstop = 2
+			vim.bo[bufnr].expandtab = true
+			return "nix"
+		end,
 	},
 })