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Runs previous command replacing the typo

when we run a command with a typo, we can correct the typo and re-run the command by the following command.

^wrong^right

Here are the examples:

The man command is wrongly typed as many
[root@test /]# many head
-bash: many: command not found


The y is replaced with empty character.
[root@test /]# ^y
man head

--------------------------------------------------------------
Here man is typed as men

[root@test /]# men head
-bash: men: command not found
the letter e is replaced with a and then the command executes.
[root@test /]# ^e^a
man head


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