What did you do no matter how many times you saw it? How to forcibly memorize the term
touch [Create a file] => Why is it touch instead of mkfil to create the file? Files that do not originally exist cannot be touched. By creating a file, you will be able to touch it.
mv [Rename file] => A path is like an address where your computer accesses a file. Suppose there is a file (address) called "Tokyo / Chiyoda-ku / 1-chome / Heights Linux".
Suppose the apartment name has changed from "Heights Linux" to "Mac Mansion". "Tokyo / Chiyoda-ku / 1-chome / Mac Mansion"
↑ From the computer's point of view, it looks like moving the address instead of renaming the file.
[Comparison operator = <or <= (order)] => If equal is first, then => will be an arrow operator. So, equal later.
[Asc and desc] asc starts from A. Therefore, normal order ⇨ ascending order
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