MS-DOS (Microsoft Disk Operating System)

Things to remember

• The booting is a process of loading system files into working memory (RAM) to become ready to work. There are two types of booting: cold booting and warm booting
• The collection of data is called file.
• The file name has two parts: main part ( maximum 8 characters) and extension (maximum 3 characters).
• Internal command are built in the COMMAND.COM files.
• Commands that need external additional file with command.com are external commands. Example: XCOPY, CHKDSK, LABEL, TREE etc.