Programming Tutorials

Quotes in Linux Shell Script

By: Vivek G.  

There are three types of quotes

Quotes	Name	Meaning
"	Double Quotes	"Double Quotes" - Anything enclose in double quotes removed meaning of that characters (except \ and $).
'	Single quotes	'Single quotes' - Enclosed in single quotes remains unchanged.
`	Back quote	`Back quote` - To execute command

Example:
$ echo "Today is date" 
Can't print message with today's date.
$ echo "Today is `date`". 
It will print today's date as, Today is Tue Jan ....,Can you see that the `date` statement uses back quote?

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