Which command is used to display all the lines with the string 'sales' from the file empl.lst?

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Question:Which command is used to display all the lines with the string 'sales' from the file empl.lst?

1. cut sales empl.lst

2./sales > empl.lst

3.grep sales empl.lst

4.cat | /sales > empl.lst

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  1. Which command is used to display all the lines with the string 'sales' from the file empl.lst?
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