$ cygpath
Usage: cygpath (-d|-m|-u|-w|-t TYPE) [-f FILE] [OPTION]... NAME...
cygpath [-c HANDLE]
cygpath [-ADHOPSW]
cygpath [-F ID]
Convert Unix and Windows format paths, or output system path information
Output type options:
-d, --dos print DOS (short) form of NAMEs (C:\PROGRA~1\)
-m, --mixed like --windows, but with regular slashes (C:/WINNT)
-M, --mode report on mode of file (binmode or textmode)
-u, --unix (default) print Unix form of NAMEs (/cygdrive/c/winnt)
-w, --windows print Windows form of NAMEs (C:\WINNT)
-t, --type TYPE print TYPE form: 'dos', 'mixed', 'unix', or 'windows'
Path conversion options:
-a, --absolute output absolute path
-l, --long-name print Windows long form of NAMEs (with -w, -m only)
-p, --path NAME is a PATH list (i.e., '/bin:/usr/bin')
-s, --short-name print DOS (short) form of NAMEs (with -w, -m only)
-C, --codepage CP print DOS, Windows, or mixed pathname in Windows
codepage CP. CP can be a numeric codepage identifier,
or one of the reserved words ANSI, OEM, or UTF8.
If this option is missing, cygpath defaults to the
character set defined by the current locale.
System information:
-A, --allusers use `All Users' instead of current user for -D, -O, -P
-D, --desktop output `Desktop' directory and exit
-H, --homeroot output `Profiles' directory (home root) and exit
-O, --mydocs output `My Documents' directory and exit
-P, --smprograms output Start Menu `Programs' directory and exit
-S, --sysdir output system directory and exit
-W, --windir output `Windows' directory and exit
-F, --folder ID output special folder with numeric ID and exit
Try `cygpath --help' for more information.