diff --git a/example.txt b/example.txt
new file mode 100644
index 0000000..e69de29
diff --git a/solutions.ipynb b/solutions.ipynb
index 2c6ecf3..2c680e1 100644
--- a/solutions.ipynb
+++ b/solutions.ipynb
@@ -19,10 +19,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: echo \"Hello World\""
    ]
   },
   {
@@ -35,10 +35,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: mkdir new_dir"
    ]
   },
   {
@@ -51,10 +51,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: rm -r new_dir"
    ]
   },
   {
@@ -67,10 +67,12 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: mkdir lorem-copy\n",
+    "cd lorem\n",
+    "cp sed.txt ../lorem-copy/"
    ]
   },
   {
@@ -83,10 +85,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: cp at.txt ../lorem-copy/; cp lorem.txt ../lorem-copy/"
    ]
   },
   {
@@ -99,10 +101,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: cat sed.txt"
    ]
   },
   {
@@ -115,10 +117,10 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: cat at.txt; cat lorem.txt"
    ]
   },
   {
@@ -131,10 +133,13 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "cd ..\n",
+    "cd lorem-copy\n",
+    "head -3 sed.txt"
    ]
   },
   {
@@ -147,10 +152,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "tail -3 sed.txt"
    ]
   },
   {
@@ -163,10 +169,13 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "echo \"Homo homini lupus\" >> sed.txt\n",
+    "cat sed.txt (to check)"
    ]
   },
   {
@@ -179,10 +188,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "tail -3 sed.txt"
    ]
   },
   {
@@ -195,10 +205,16 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "sed -i -e 's/et/ET/g' at.txt\n",
+    "\n",
+    "this works but also creates a new file (at.txt-e) which I can't open\n",
+    "also adding: \n",
+    "\n",
+    "rm at.txt-e"
    ]
   },
   {
@@ -211,10 +227,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "whoami"
    ]
   },
   {
@@ -227,10 +244,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "pwd"
    ]
   },
   {
@@ -243,10 +261,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "git ls-files '*.txt'"
    ]
   },
   {
@@ -259,10 +278,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "wc sed.txt"
    ]
   },
   {
@@ -275,10 +295,13 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "cd ..\n",
+    "cd ..\n",
+    "find . -name 'lorem*' | wc -l"
    ]
   },
   {
@@ -291,10 +314,14 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "cd lab-bash\n",
+    "cd lorem\n",
+    "\n",
+    "grep -o \"et\" at.txt"
    ]
   },
   {
@@ -307,10 +334,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "grep -o \"et\" at.txt | wc -l"
    ]
   },
   {
@@ -323,10 +351,12 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "grep 'et' ./lorem-copy/*.* | wc -l\n"
    ]
   },
   {
@@ -346,10 +376,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "name=Edu"
    ]
   },
   {
@@ -362,10 +393,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "echo $name"
    ]
   },
   {
@@ -378,10 +410,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "mkdir $name"
    ]
   },
   {
@@ -394,10 +427,11 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "rm -r $name"
    ]
   },
   {
@@ -414,10 +448,29 @@
    ]
   },
   {
-   "cell_type": "markdown",
+   "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "to print the file names:\n",
+    "for i in *\n",
+    "do\n",
+    "    echo $i\n",
+    "done\n",
+    "\n",
+    "length of file names: \n",
+    "\n",
+    "for i in *\n",
+    "do\n",
+    "    ${#i}\n",
+    "done\n",
+    "\n",
+    "to print outputs:\n",
+    "\n",
+    "for i in *\n",
+    "> do echo $i \"has\" ${#i} \"characters length\"\n",
+    "> done"
    ]
   },
   {
@@ -536,7 +589,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.8"
+   "version": "3.11.4"
   },
   "nbTranslate": {
    "displayLangs": [
diff --git a/solutions2.ipynb b/solutions2.ipynb
new file mode 100644
index 0000000..2c6ecf3
--- /dev/null
+++ b/solutions2.ipynb
@@ -0,0 +1,568 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "### Exercises"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Print Hello World to console."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Create a new directory called new_dir."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Delete that directory."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Copy the sed.txt file inside the lorem folder to the lorem-copy folder (you might need to look the documentation up)."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Copy the other two files from the lorem folder to the lorem-copy folder in a single line using ;."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Shows the content of the sed.txt file inside the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Shows the contents of the at.txt and lorem.txt files inside the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Display the first 3 lines of the sed.txt file inside the lorem-copy folder"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### View the last 3 lines of the sed.txt file inside the lorem-copy folder"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Add Homo homini lupus. at the end of the sed.txt file inside the lorem-copy folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Display the last 3 lines of the sed.txt file inside the lorem-copy folder. You should now see Homo homini lupus"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Replaces all occurrences of et with ET from the at.txt file inside the lorem-copy folder. You should use sed."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Find the active user on the system."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Find where you are in your file system."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### List files ending with .txt in the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Counts the number of lines in the sed.txt file inside the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Counts the number of files starting with lorem that are in this directory and in internal directories."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Find all occurrences of et in at.txt inside the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Counts the number of occurrences of the string et in at.txt inside the lorem folder."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Counts the number of occurrences of the string et in all files in the lorem-copy directory."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### BONUS"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Store your name in a name variable."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Print that variable."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Create a new directory named as the content of the name variable."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Delete that directory."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### For each file inside the folder lorem prints the number of characters their names have. First try to display the files using a for loop:\n",
+    "\n",
+    "- Print the files\n",
+    "- Print the lengths of the file names\n",
+    "- Print outputs with the following structure: lorem has 5 characters length"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Shows the processes in a hierarchical way that are running on your computer:\n",
+    "\n",
+    "- Using the top or htop command\n",
+    "- Using the ps command with arguments"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Displays information about your processor on the screen"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Create 3 aliases and make them available every time you login"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Compress the lorem and lorem-copy folders into a file called lorem-compressed.tar.gz"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Unpack the lorem-compressed.tar.gz file into the lorem-uncompressed folder"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "lang": "en"
+   },
+   "source": [
+    "#### Unpack the lorem-compressed.tar.gz file into the lorem-uncompressed folder"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The command:"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.8"
+  },
+  "nbTranslate": {
+   "displayLangs": [
+    "en",
+    "es"
+   ],
+   "hotkey": "alt-a",
+   "langInMainMenu": true,
+   "sourceLang": "es",
+   "targetLang": "en",
+   "useGoogleTranslate": true
+  },
+  "toc": {
+   "base_numbering": 1,
+   "nav_menu": {},
+   "number_sections": true,
+   "sideBar": true,
+   "skip_h1_title": true,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
+   "toc_cell": false,
+   "toc_position": {},
+   "toc_section_display": true,
+   "toc_window_display": false
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}