Operating Systems C File Naming G The extra rules for naming vary somewhat from system to system. m bruce device. multimedia E 123, urgent! fig 2-1 a longlongagotherewasawarbetweentthebirdsandthebeasts (<255) G Some file systems distinguish between upper and lower ease letters Un), whereas others do not Ms-dos) G Many OS support two-part file names, with the two parts separated by a period, as in prog. c. The part following the period is called the file extension. Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 5 File Naming  The extra rules for naming vary somewhat from system to system.  bruce, device, multimedia  123, urgent!, fig.2-1  longlongagotherewasawarbetweentthebirdsandthebeasts (<255)  Some file systems distinguish between upper and lower ease letters (UNIX), whereas others do not (MS-DOS).  Many OS support two-part file names, with the two parts separated by a period, as in prog.c. The part following the period is called the file extension