Once you have your long text file, you will need a tool to compress it into the .rar format, as Windows and macOS do not support RAR creation natively: : Use WinRAR (Windows) or RAR for Android .
If you are looking for a to test compression for a "Privasi.rar" archive, or simply need a placeholder file, you can generate or download one using these methods:
: You can generate a large dummy text file quickly using this command: tr -dc "A-Za-z 0-9" < /dev/urandom | fold -w100 | head -n 1000000 > Privasi.txt This creates a ~100MB file of random text.