checks for layout

certificates/essentials/lpi_essentials_lesson_03.md

@@ -73,7 +73,7 @@
 # Lesson 3.3.1
 
 1. The user types the following to their shell:
-	* ```
+	```
 	$ PATH=~/scripts
 	$ ls
 	Command 'ls' is available in '/bin/ls'
@@ -83,7 +83,7 @@
 	* What has the user done?
 	* What command will combine the current value of PATH with the new directory ~/scripts?
 1. Consider the following script. Notice that it is using elif to check for a second condition:
-	* ```
+	```
 	>  /!bin/bash
 	
 	> fruit1 = Apples
@@ -101,7 +101,7 @@
 	```
 	* The lines marked with a > contain errors. Fix the errors.
 1. What will the output be in the following situations?
-	* ```
+	```
 	$ ./guided1.sh 3 0
 	$ ./guided1.sh 2 4
 	$ ./guided1.sh 0 1
@@ -110,7 +110,7 @@
 ## Explorational Exercises
 
 1. Write a simple script that will check if exactly two arguments are passed. If so, print the arguments in reverse order. Consider this example (note: your code may look different than this, but should lead to the same output):
-	* ```
+	```
 	if [ $1 == $number ]
 	then
 	  echo "True!"
@@ -125,7 +125,7 @@
 ## Guided Exercises
 
 1. Read the contents of script1.sh below:
-	* ```
+	```
 	#!/bin/bash
 	
 	if [ $# -lt 1 ]
@@ -145,7 +145,7 @@
 	exit 0
 	```
 	* What is the output of these commands?
-	* ```
+	```
 	./script1.sh
 	echo $?
 	./script1.sh cake
@@ -155,7 +155,7 @@
 	```
 
 2. Read the contents of file script2.sh:
-	* ```
+	```
 	for filename in $1/*.txt
 	do
 	   cp $filename $filename.bak