diff --git a/solutions.ipynb b/solutions.ipynb
index 10ae56f..367ed04 100644
--- a/solutions.ipynb
+++ b/solutions.ipynb
@@ -22,7 +22,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "echo \"Hello World\""
    ]
   },
   {
@@ -38,7 +40,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "mkdir new_dir"
    ]
   },
   {
@@ -54,7 +58,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "rm -r new_dir"
    ]
   },
   {
@@ -70,7 +76,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "echo \"Hello World\""
    ]
   },
   {
@@ -86,7 +94,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "\n",
+    "mkdir new_dir"
    ]
   },
   {
@@ -102,7 +112,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command: \n",
+    "\n",
+    "rm -r new_dir"
    ]
   },
   {
@@ -118,7 +130,10 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "mkdir lorem-copy\n",
+    "cp lorem/sed.txt lorem-copy"
    ]
   },
   {
@@ -134,7 +149,13 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cp lorem/at.txt lorem-copy ; cp lorem/lorem.txt lorem-copy\n",
+    "\n",
+    "OR\n",
+    "\n",
+    "cp lorem/{at,lorem}.txt lorem-copy"
    ]
   },
   {
@@ -150,7 +171,10 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem\n",
+    "cat sed.txt"
    ]
   },
   {
@@ -166,7 +190,10 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem\n",
+    "cat {at,lorem}.txt"
    ]
   },
   {
@@ -182,7 +209,11 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd ..\n",
+    "cd lorem_copy\n",
+    "head --lines=3 sed.txt"
    ]
   },
   {
@@ -198,7 +229,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "tail --lines=3 sed.txt"
    ]
   },
   {
@@ -214,7 +247,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "echo \"Homo homini lupus\" >> sed.txt"
    ]
   },
   {
@@ -230,7 +265,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "tail --lines=3 sed.txt"
    ]
   },
   {
@@ -246,7 +283,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "sed -e -i \"s/et/ET/g\" at.txt"
    ]
   },
   {
@@ -262,7 +301,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "whoami"
    ]
   },
   {
@@ -278,7 +319,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "pwd"
    ]
   },
   {
@@ -294,7 +337,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem ; ls *.txt"
    ]
   },
   {
@@ -310,7 +355,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem ; wc -l sed.txt"
    ]
   },
   {
@@ -326,7 +373,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "find . -name \"lorem*\" -type f | wc -l"
    ]
   },
   {
@@ -342,7 +391,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem ; grep --color=always \"et\" at.txt"
    ]
   },
   {
@@ -358,7 +409,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem ; grep --color=always \"et*\" at.txt | wc -l"
    ]
   },
   {
@@ -374,7 +427,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "cd lorem-copy ; grep -roh \"et\" . | wc -w"
    ]
   },
   {
@@ -397,7 +452,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "name=Carles"
    ]
   },
   {
@@ -413,7 +470,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "echo=$name"
    ]
   },
   {
@@ -429,7 +488,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "mkdir $name"
    ]
   },
   {
@@ -445,7 +506,9 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "rm -r $name"
    ]
   },
   {
@@ -465,7 +528,15 @@
    "cell_type": "raw",
    "metadata": {},
    "source": [
-    "The command:"
+    "The command:\n",
+    "\n",
+    "for i in lorem/*\n",
+    "do\n",
+    "    echo $i\n",
+    "    wc -m $i\n",
+    "done\n",
+    "\n",
+    "## NOT FINISHED"
    ]
   },
   {