Example 2-3 continued Redirection >>

If we would like to add output of a given command to the end of a preexisting file, instead of > we should use >>. If we use > this will first erase the contents of the preexisitng file and then write the output of the command to the file.

If we would like to add output of a given command to the end of a preexisting file, instead of > we should use >>. If we use > this will first erase the contents of the preexisitng file and then write the output of the command to the file.