Total number of lines to print the file:
sed -n '$ =' filename
Use the command l, the tab is shown as \ t, end of line mark displayed:
sed -n 'l' filename
The results will be displayed as:
fname\tFirst Name$
lname\tLast Name$
mname\tMiddle Name$
DOS file format to convert to Unix format to DOS newlines (CR / LF) is replaced Unix format (using sed. When the DOS file format copying on Unix, you will find that at the end of each line has a \ r \ n):
sed 's/.$//' filename