diff --git a/minishell/param.c b/minishell/param.c
@@ -0,0 +1,76 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   param.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: qdiaz <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2016/03/21 14:20:56 by qdiaz             #+#    #+#             */
+/*   Updated: 2016/03/21 17:56:36 by qdiaz            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+t_env			*env_in_list(char *envar, t_env *start)
+{
+	int		i;
+	t_env	*tmp;
+	t_env	*voyager;
+
+	i = 0;
+	tmp = (t_env *)malloc(sizeof(t_env));
+	voyager = start;
+	tmp->name = get_var_name(envar);
+	tmp->data = get_var_content(envar);
+	//tmp->next = NULL;
+	if (start == NULL)
+		return (tmp);
+	while (voyager->next)
+		voyager = voyager->next;
+	voyager->next = tmp;
+	return (start);
+}
+
+int		manage_entry(char **cmd, t_env *env)
+{
+	if (cmd == NULL)
+		return (1);
+	if (ft_strcmp(cmd[0], "exit") == 0)
+		return (-1);
+	else if (ft_strcmp(cmd[0], "setenv") == 0)
+	{
+		env = ft_set_env(cmd, env);
+		return (0);
+	}
+	else if (ft_strcmp(cmd[0], "unsetenv") == 0)
+		ft_unset_env(&env, cmd[1]);
+	else if (ft_strcmp(cmd[0], "env") == 0)
+	{
+		print_env(env);
+		return (0);
+	}
+	else if (ft_strcmp(cmd[0], "cd") == 0)
+	{
+		//ft_cd(cmd[1], env);
+		return (0);
+	}
+	return (0);
+}
+
+int				read_entry(char **cmd, t_env *env)
+{
+	int		i;
+	char	**tab;
+
+	i = 0;
+	while (cmd[i])
+	{
+		tab = ft_strsplit(cmd[i], ' ');
+		if (manage_entry(tab, env) == -1)
+			return (-1);
+		i++;
+		//free_tab(tab);
+	}
+	return (0);
+}
diff --git a/minishell/tools.c b/minishell/tools.c
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   tools.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: qdiaz <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2016/03/17 17:00:52 by qdiaz             #+#    #+#             */
+/*   Updated: 2016/03/21 17:56:41 by qdiaz            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+void	prompt(void)
+{
+	ft_putstr("$>");
+}
+
+void	print_env(t_env *env)
+{
+	if (env)
+	{
+		//ft_putstr("salut\n");
+		while (env->next != NULL)
+		{
+			//ft_putstr(env->name);
+			ft_putchar('=');
+			//ft_putstr(env->data);
+			ft_putchar('\n');
+			//env = env->next;
+		}
+	}
+	else
+		ft_putendl("Empty env");
+}