RTF is one of the most common text formats that has a long history. After all, it was developed back in 1982 at Microsoft. The name of the format is an abbreviation of the English Rich Text Format File. Compared to DOC, this is a more universal format that can be used by almost any, even the simplest, text editors. Another of its features is the ability to transfer text between different programs, if the operating system provides the function of export / import of RTF files. Users also appreciate RTF for the fact that such a document can only contain text, without additional heavy macros.
PS is one of the common vector image formats. The PS format (full name - PostScript File) was created by Adobe Systems. A vector image that is saved in the PostScript page description language usually contains both text and vector or bitmap graphics. Files of this format can be directly printed without opening an application by a printer that supports PostScript. This dynamic typed programming language is best known for describing pages in the publishing industry. Now the PS format is being actively replaced by the more popular PDF.