The bootsect command is used to configure the master boot code to one compatible with Windows 8 (BOOTMGR).
The bootsect command is only available from the Command Prompt in System Recovery Options.
The break command sets or clears extended CTRL+C checking on DOS systems.
The break command is available in Windows 8 to provide compatibility with MS-DOS files but it has no effect in Windows 8 itself.
CaclsThe cacls command is used to display or change access control lists of files.
Even though the cacls command is available in Windows 8, it's being phased out. Microsoft recommends that you use the icacls command instead.
The call command is used to run a script or batch program from within another script or batch program.
The call command has no effect outside of a script or batch file. In other words, running the call command at the Command Prompt will do nothing.