diff --git a/c_piscine_c_06/ex00/ft_print_program_name.c b/c_piscine_c_06/ex00/ft_print_program_name.c
new file mode 100644
index 0000000..007051f
--- /dev/null
+++ b/c_piscine_c_06/ex00/ft_print_program_name.c
@@ -0,0 +1,30 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_print_program_name.c                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apuchill <apuchill@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/12/09 14:10:42 by apuchill          #+#    #+#             */
+/*   Updated: 2019/12/09 18:28:13 by apuchill         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int		main(int argc, char **argv)
+{
+	int c;
+
+	c = 0;
+	if (argc > 0)
+	{
+		while (argv[0][c] != '\0')
+		{
+			write(1, &argv[0][c], 1);
+			c++;
+		}
+		write(1, "\n", 1);
+	}
+	return (0);
+}
diff --git a/c_piscine_c_06/ex00/t_a.out b/c_piscine_c_06/ex00/t_a.out
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index 0000000..5c0b4c6
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diff --git a/c_piscine_c_06/ex01/ft_print_params.c b/c_piscine_c_06/ex01/ft_print_params.c
new file mode 100644
index 0000000..d9e6a90
--- /dev/null
+++ b/c_piscine_c_06/ex01/ft_print_params.c
@@ -0,0 +1,37 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_print_params.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apuchill <apuchill@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/12/09 14:20:32 by apuchill          #+#    #+#             */
+/*   Updated: 2019/12/09 18:28:30 by apuchill         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int		main(int argc, char **argv)
+{
+	int c;
+	int d;
+
+	c = 1;
+	d = 0;
+	if (argc > 1)
+	{
+		while (c < argc)
+		{
+			d = 0;
+			while (argv[c][d] != '\0')
+			{
+				write(1, &argv[c][d], 1);
+				d++;
+			}
+			write(1, "\n", 1);
+			c++;
+		}
+	}
+	return (0);
+}
diff --git a/c_piscine_c_06/ex01/t_a.out b/c_piscine_c_06/ex01/t_a.out
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diff --git a/c_piscine_c_06/ex02/ft_rev_params.c b/c_piscine_c_06/ex02/ft_rev_params.c
new file mode 100644
index 0000000..22ec11a
--- /dev/null
+++ b/c_piscine_c_06/ex02/ft_rev_params.c
@@ -0,0 +1,37 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_rev_params.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apuchill <apuchill@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/12/09 14:20:32 by apuchill          #+#    #+#             */
+/*   Updated: 2019/12/09 18:28:41 by apuchill         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+int		main(int argc, char **argv)
+{
+	int c;
+	int d;
+
+	c = argc - 1;
+	d = 0;
+	if (argc > 1)
+	{
+		while (c > 0)
+		{
+			d = 0;
+			while (argv[c][d] != '\0')
+			{
+				write(1, &argv[c][d], 1);
+				d++;
+			}
+			write(1, "\n", 1);
+			c--;
+		}
+	}
+	return (0);
+}
diff --git a/c_piscine_c_06/ex02/t_a.out b/c_piscine_c_06/ex02/t_a.out
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index 0000000..252f30b
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diff --git a/c_piscine_c_06/ex03/ft_sort_params.c b/c_piscine_c_06/ex03/ft_sort_params.c
new file mode 100644
index 0000000..0524121
--- /dev/null
+++ b/c_piscine_c_06/ex03/ft_sort_params.c
@@ -0,0 +1,73 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_sort_params.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apuchill <apuchill@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/12/09 16:33:03 by apuchill          #+#    #+#             */
+/*   Updated: 2019/12/09 18:28:55 by apuchill         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_putstr(const char *str)
+{
+	int c;
+
+	c = 0;
+	while (str[c] != '\0')
+	{
+		write(1, &str[c], 1);
+		c++;
+	}
+	write(1, "\n", 1);
+}
+
+int		ft_strcmp(const char *s1, const char *s2)
+{
+	int c;
+
+	c = 0;
+	while ((s1[c] == s2[c]) && (s1[c] != '\0') && (s2[c] != '\0'))
+		c++;
+	return (s1[c] - s2[c]);
+}
+
+void	ft_swap(int *a, int *b)
+{
+	int aux;
+
+	aux = *a;
+	*a = *b;
+	*b = aux;
+}
+
+int		main(int argc, const char **argv)
+{
+	int qty;
+	int c;
+	int d;
+	int arg[argc];
+
+	qty = 1;
+	c = 1;
+	while (qty < argc)
+	{
+		arg[qty] = qty;
+		qty++;
+	}
+	while (c < argc)
+	{
+		d = c;
+		while (d < argc)
+		{
+			if (ft_strcmp(argv[arg[c]], argv[arg[d]]) > 0)
+				ft_swap(&arg[c], &arg[d]);
+			d++;
+		}
+		ft_putstr(argv[arg[c++]]);
+	}
+	return (0);
+}
diff --git a/c_piscine_c_06/ex03/t_a.out b/c_piscine_c_06/ex03/t_a.out
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