Sentence in traditional grammar, adopted as a unit of the high-level language, this understanding, the 1960s began to change with the evolving text linguistics. Text analysis alone is inadequate sentences understood to be based on the principles of text linguistics began. In this context, text linguistics, a text in and of itself has selected for review, the text forming the relationships between structures and these structures have been questioned. The text which is based on communicative, verbal or written language is the product. A written text, sentences are ranked in succession, but have been created as a result of the author's conscious choices. Coherence and consistency, these structures are indispensable criteria. Text, "linguistic integrity” that is greatly indebted to these two elements. In this study, supporting text text linguistic and functional manner possible examination reveals that it is aimed. For this purpose, substantiating the text is supposed to represent the selected type of experiment. 8 Ministry of Education Publications Grade Turkish essays in the book’s text on the computer loneliness, text linguistics has been tried to be questioned in terms of intrinsic value. Referring to the descriptive survey and document analysis utilized in the study; forming the text of the numbered sentences, and those sentences in their own relationships with each other, the deep structure has been identified in detail the role. Computer Loneliness trial, were analyzed in three sections. Description section of the text , type, and discussed in terms of content ; analysis section view of text coherence and consistency were examined; obtained from data interpretation section of the assessment were made. In the analysis of results of the study in the supporting text to benefit from the opportunities of text linguistics has proved to be functional.