.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.49.3. .TH CHMOD "1" "January 2023" "GNU coreutils 9.1" "User Commands" .SH NAME chmod \- manual page for chmod 9.1 .SH SYNOPSIS .B chmod [\fI\,OPTION\/\fR]... \fI\,MODE\/\fR[\fI\,,MODE\/\fR]... \fI\,FILE\/\fR... .br .B chmod [\fI\,OPTION\/\fR]... \fI\,OCTAL-MODE FILE\/\fR... .br .B chmod [\fI\,OPTION\/\fR]... \fI\,--reference=RFILE FILE\/\fR... .SH DESCRIPTION Change the mode of each FILE to MODE. With \fB\-\-reference\fR, change the mode of each FILE to that of RFILE. .TP \fB\-c\fR, \fB\-\-changes\fR like verbose but report only when a change is made .TP \fB\-f\fR, \fB\-\-silent\fR, \fB\-\-quiet\fR suppress most error messages .TP \fB\-v\fR, \fB\-\-verbose\fR output a diagnostic for every file processed .TP \fB\-\-no\-preserve\-root\fR do not treat '/' specially (the default) .TP \fB\-\-preserve\-root\fR fail to operate recursively on '/' .TP \fB\-\-reference\fR=\fI\,RFILE\/\fR use RFILE's mode instead of MODE values .TP \fB\-R\fR, \fB\-\-recursive\fR change files and directories recursively .TP \fB\-\-help\fR display this help and exit .TP \fB\-\-version\fR output version information and exit .PP Each MODE is of the form '[ugoa]*([\-+=]([rwxXst]*|[ugo]))+|[\-+=][0\-7]+'. .PP GNU coreutils online help: Report any translation bugs to Full documentation or available locally via: info '(coreutils) chmod invocation' .SH AUTHOR Written by David MacKenzie and Jim Meyering. .SH COPYRIGHT Copyright \(co 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . .br This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.