#!/bin/bash
# tute3

clear
echo -e "\n#################################### 03 ######################################\n"
echo -e "A plain old garden variety echo command looks like this:\n\n"
echo -e "\techo \"Bob's your uncle\"\n"
sleep 5 
echo -e "and it will print to standard out like this:\n\n"
sleep 2
echo -e "\tBob's your uncle\n\n"
sleep 5
echo -e "There are characters that have special meanings in Bash such as \" \` \", \" \\ \"" 
echo -e "and \" \$ \" and to print them to standard out with echo you must put a \" \\ \" in"
echo -e "front of them\n\n"
sleep 5
echo -e "Echo has special character sequences such as:\n"
sleep 2
echo -e "\t\" \\\n \"    Newline"
sleep 2
echo -e "\t\" \\\t \"     Tab"
sleep 2
echo -e "\t\" \\\c \"    Suppress tab, i.e. leaves the curser where echo terminates"
sleep 2
echo -e "\t\" \\\\ \"     Literal backslash\n"
sleep 5
echo -e "To use these special characters you need to use the option \"-e\".\n\n"
sleep 5 
echo -e "Take a look at the following commands and see if you can predict where uncle Bob "
echo -e "goes next.\n\n" 
sleep 5




