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Sponsored by: Search | Newsletter | Conference | Tech Jobs O’Reilly’s Emerging Technology Conference: May 13-16, 2002 Articles Linux Apache MySQL Perl PHP Python BSD Essentials What is LAMP? The Best of ONLamp.com aboutSQL Big Scary Daemons FreeBSD Basics HTTP Wrangler Linux in the Enterprise Linux Network Administration The Linux Professional Perl P5P Digest Archive PHP Admin Basics PHP Phanatics Python_News Security Alerts Alphabetical Directory of Linux Commands This directory of Linux commands is from Linux in a Nutshell, 3rd Edition. Click on any of the 379 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Tech Books Online. Buy it now Read it online chmod [options] mode files chmod [options] –reference=filename files Change the access mode (permissions) of one or more files. Only the owner of a file or a privileged user may change its mode. mode can be numeric or an expression in the form of who opcode permission. who is optional (if omitted, default is a); choose only one opcode. Multiple modes may be specified, separated by commas. Options -c, –changes Print information about files that are changed. -f, –silent, –quiet Do not notify user of files that chmod cannot change. –help Print help message and then exit. -R, –recursive Traverse subdirectories recursively, applying changes. –reference=filename Change permissions to those associated with filename. -v, –verbose Print information about each file, whether changed or not. –version Print version information and then exit. Sponsored by: