Detroit's Marwil Bookstore or purchasing them on the internet from online competitors, such as Amazon and eBay. After Marwil had been in business at WSU for some 59 years, Brian Kramer had seen textbook prices nearly triple over a period of two decades. According to a 2005 survey conducted by the National Association of College Students, about 25 percent of students had begun purchasing textbooks online. Another drastic change was when Wayne State opened a $6 million, 28,000-square-foot Barnes & Noble college bookstore right across the street in 2002. Marwil didn't have the fancy store front, cafe or music and apparel that was
COM file of using the .COM rather than .EXE format is that the binary image is usually smaller and easier to program using an assembler. Once compilers and linkers of sufficient power became available, it was no longer advantageous to use the .COM format for complex programs. The format is still executable on many modern Windows NT-based platforms, but it is run in an MS-DOS-emulating subsystem, NTVDM, which is not present in 64-bit variants. COM files can be executed also on DOS emulators such as DOSBox, on any platform supported by these emulators. Windows NT-based operating systems use the .com extension for