When we add any file in robots.txt. then our disallow file will be display or not in SERP?

In SEO Point of view, i have added file in robots.txt before 1 month. but my disallow file is display on SERP. So please tell me what is this. or:In S

In SEO Point of view, i have added file in robots.txt before 1 month. but my disallow file is display on SERP. So please tell me what is this.

or:In SEO Point of view, i have added file in robots.txt before 1 month. but my disallow file is display on SERP. So please tell me what is this.

or:never saw them as a search result, but: the directories they disallow are for most not existent (404) try the directory movies - they disallow it but they have a directory called movies-in-theaters wich is not disallowed.

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