Chkdsk is a command to checks the file system and file system metadata of a volume for logical and physical errors. If used without parameters, chkdsk displays only the status of the volume and does not fix any errors. If used with the /f, /r, /x, or /b parameters, it fixes errors on the volume.


CD is a command to displays the name of the current directory or changes the current directory. If used with only a drive letter (for example, cd C: ), cd displays the names of the current directory in the specified drive. If used without parameters, cd displays the current drive and directory.


Break is a command to sets or clears extended CTRL+C checking on MS-DOS systems. If used without parameters, break displays the existing setting value.


Attrib is a command to displays, sets, or removes attributes assigned to files or directories. If used without parameters, attrib displays attributes of all files in the current directory.



Copy is a command to copies one or more files from one location to another.



X copy is a powerful and versatile command to copy and backup files and directories. Syntax and usage of the Xcopy command.