Linux Utility And Commands 1.10

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Append a string to the last created file using shell scipts Let's suppose we would like to append ',yes' to the last csv file that has been created. The content of the folder is given by userk@dopamine ~$ ls -t b3.txt b2.txt b1.txt a3.txt a2.txt a1.txt userk@dopamine ~$ ls -lt total 24 -rw-rw-r-- 1