Use when reading, writing, editing, searching, or managing files on Windows via Grille. WHEN: 'read file', 'write file', 'edit file', 'search codebase', 'find file', 'search in file', 'grep file', 'list directory', 'copy file', 'delete file', 'diff files', 'append to doc'. DO NOT USE WHEN: running executables (use grille-process), querying databases (use grille-sql), reading registry (use grille-registry).