CHMOD(1) General Commands Manual CHMOD(1) (NAME) chmod - FILE MODE. --reference FILE RFILE. (SYNOPSIS) chmod [OPTION]... MODE[,MODE]... FILE... chmod [OPTION]... OCTAL-MODE FILE... chmod [OPTION]... --reference=RFILE FILE... (DESCRIPTION) () FILE MODE. --reference FILE RFILE . (OPTIONS) --help . -c, --changes (verbose) . -f, --quiet . -v, --verbose . --no-preserve-root '/' (). --preserve-root '/'. -R, --recursive . --reference RFILE MODE. -H . -L . -P (). --dereference () . -h, --no-dereference ( ). -V, --version . [MODE] [FILE] (EXTRA) MODE [ugoa]*([-+=]([rwxXst]*|[ugo]))+|[-+=]?[0-7]+ . (VERSION) v(uutils coreutils) 0.11.0 2026-09-01 CHMOD(1)