Underscore Sign



Rules and Examples

The underscore sign is mainly used to show a space where a space is not allowed, such as in internet usernames, email addresses and some computer programs.

Click Here for Step-by-Step Rules, Stories and Exercises to Practice All English Tenses

understrike





underbar





low line





low dash





underline





underdash



On the keyboard

SHIFT key

hyphen/underscore key to the right of the zero

Origin





Rules for using the underscore sign

1. Use multiple underscores to create blanks.

Examples:

Please sign here ______________________





I, _____________________, promise to complete my chores by Friday.





Fill in the blanks with there, their or they're:



_____ going to the zoo tomorrow.



Jill wants to go to _____ house.



Please put the book over _____.



_____ you are!



Which one is _____ car?



Do you know what _____ serving for lunch today?



In the six examples above, we created the longer lines by pressing the underscore key five times.



2. Use the underscore sign in place of spaces in email addresses and usernames.

Without the underscore sign:



billhamilton@sample.com



With the underscore sign:



bill_hamilton@sample.com



Without the underscore sign:



reddog@sample.com



With the underscore sign:



red_dog@sample.com



Examples:

john_doe@mymail.net



This email address would read: john underscore doe at my mail dot net.





This email address would read: john underscore doe at my mail dot net. sandy_heart_1957@gmail.com



This email address would read: sandy underscore heart underscore nineteen fifty-seven at gmail dot com.





This email address would read: sandy underscore heart underscore nineteen fifty-seven at gmail dot com. ask_the_teacher@myschool.net



This email address would read: ask underscore the underscore teacher at my school dot net.







Caution:

hyperlink

hyperlink

Without hyperlink:



bob_johnson@samplemail.net



With hyperlink:



bob_johonson@samplemail.net



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The underscore looks like a dash below the letters ( _ ).The underscore sign is also called:To make an underscore on most keyboards, hold theand press they(on the top number line).The underscore sign was originally used on typewriters to underline words. On a typewriter, you would first type the word then move back to the beginning of the word and underline it with the underscore key.To create a long line with the underscore key, hold SHIFT and press the underscore key repeatedly until your line is the correct length.The underscore sign can be used in usernames and email addresses to make them unique and sometimes easier to read.Do not put spaces before or after an underscore when using it in email addresses and usernames.If you create aon an email address that includes underscore signs, the underscore signs will look like part of the hyperlink line.When you click on a workingit takes you directly to a specific website or address.You cannot see the underscore in the above example.However, you know there is an underscore because email addresses and usernames cannot contain spaces.These were the uses of the underscore sign. Now that you know them, it is time to practice! Read and do exercises