How to Remove CTRL-M characters From a File in UNIX and Linux

I wanted to transfer some files from Windows to Unix using FileZilla, but the problem arises when these files are transferred (Ascii or Binary mode both) and opened using VI we get ^M characters, also known as CTRL-M characters. I searched about this but the solutions were to remove these ^M characters when files are transferred using utilities. Is there any way that these ^M characters do not appear in the first place? Well, my search continues but I will share the solution which worked for me for removing control M characters i.e. CTRL-M or ^M characters. There are several UNIX commands e.g. dos2unix which can be used to convert a Windows or DOS generated files to UNIX one. You can also use sed command (stream editor) to remove CTRL-M characters without opening the file, very useful if you are removing CTRL-M characters from a large file. Alternatively, you can use VI command to open the file and replace ^M characters with nothing.
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