Use to get input (data from user) from keyboard and store (data) to variable.
read variable1, variable2,...variableN
Following script first ask user, name and then waits to enter name from the
user via keyboard. Then user enters name from keyboard (after giving name you
have to press ENTER key) and entered name through keyboard is stored (assigned)
to variable fname.
$ vi sayH
#Script to read your name from key-board
echo "Your first name please:"
echo "Hello $fname, Lets be friend!"
Run it as follows:
$ chmod 755 sayH
Your first name please: vivek
Hello vivek, Lets be friend!