just collected the order of comments and commands of last part

bash.html.markdown

@@ -155,14 +155,14 @@ bar ()
 foo "My name is" $NAME
 
 # There are a lot of useful commands you should learn:
-tail -n 10 file.txt
 # prints last 10 lines of file.txt
-head -n 10 file.txt
+tail -n 10 file.txt
 # prints first 10 lines of file.txt
-sort file.txt
+head -n 10 file.txt
 # sort file.txt's lines
-uniq -d file.txt
+sort file.txt
 # report or omit repeated lines, with -d it reports them
-cut -d ',' -f 1 file.txt
+uniq -d file.txt
 # prints only the first column before the ',' character
+cut -d ',' -f 1 file.txt
 ```