You can use these predefined host substitution shorthands anywhere that a host substitution reference can be used:
:[/] – Expands to the operating system-specific file separator, which is based on the root physical host of the current target host
UNIX systems – :[/] expands to /
Microsoft Windows systems – :[/] expands to \
:[:] – Expands to the operating system-specific path separator, which is based on the root physical host of the current target host
UNIX systems – :[:] expands to :
Microsoft Windows systems – :[:] expands to ;