Bash Shell Scripting- Advanced Usage of the echo command

The video tutorial covers the basic and advanced usage of the ECHO command in shell scripting. It explains how to display messages, variables, and command results using ECHO. The tutorial also delves into advanced features like using ECHO with shell scripts, options for escape characters, and displaying messages in different colors. Practical examples and explanations are provided to enhance understanding.

What is the primary function of the ECHO command?

• To execute shell scripts

• To manage system processes

• To display messages or variable values

• To compile code

How can you display multiple lines of text using a single ECHO command?

• By using the -n option

• By using the -e option with newline characters

• By using the -l option

• By using the -c option

Which escape character is used for a horizontal tab in the ECHO command?

• \b

• \t

• \n

• \r

What does the \b escape character do in the ECHO command?

• Moves the cursor to the next line

• Inserts a horizontal tab

• Moves the cursor one position back

• Resets the color of the text

How can you escape a double quotation mark in a string using the ECHO command?

• By using a backslash before the quotation mark

• By using single quotes

• By using the -q option

• By using double backslashes

How can you display text in red color using the ECHO command?

• By using the -r option

• By using a color code with the -e option

• By using the -c option

• By using the -color option

What is the purpose of the -n option in the ECHO command?

• To execute a command

• To display text in bold

• To prevent the cursor from moving to a new line

• To display text in uppercase