# `@actions/io` > Core functions for cli filesystem scenarios ## Usage ``` /** * Copies a file or folder. * * @param source source path * @param dest destination path * @param options optional. See CopyOptions. */ export function cp(source: string, dest: string, options?: CopyOptions): Promise /** * Remove a path recursively with force * * @param path path to remove */ export function rmRF(path: string): Promise /** * Make a directory. Creates the full path with folders in between * * @param p path to create * @returns Promise */ export function mkdirP(p: string): Promise /** * Moves a path. * * @param source source path * @param dest destination path * @param options optional. See CopyOptions. */ export function mv(source: string, dest: string, options?: CopyOptions): Promise /** * Returns path of a tool had the tool actually been invoked. Resolves via paths. * * @param tool name of the tool * @param options optional. See WhichOptions. * @returns Promise path to tool */ export function which(tool: string, options?: WhichOptions): Promise ```