EXCH(1) EXCH(1) exch - exch - _ exch atomically exchanges oldpath and newpath. exch is a simple command wrapping RENAME_EXCHANGE of renameat2 system call. -h, --help . -V, --version . exch : 0 1 Masatake YAMATO renameat2(2) exch util-linux, Linux . util-linux 2.41 2025-03-29 EXCH(1)