You can learn how to tag another person in a comment on a computer.
Step 1: You can go to reddit.com in a web browser.
Click if you don't already have a password for your account.
Step 2: The post can be found in the subreddit that contains it.
Click to open it if you see a link on the screen.Click the magnifying glass to search if you type its name into the search box.
Step 3: You can click comments beneath the post.
The total number of comments on the thread is usually preceded by a number.
Step 4: Go to the comment box and type /u/username.
The box is at the top of the screen.The usernames of the people you are linking to should be replaced with the word "username".To add text to the comment, add it to this box as well.
Step 5: Click it to save.
Underneath the comment box is it.Your will will include a link to that person's profile.They will get a message in their inbox letting them know they have been tagged.