FTP - File Transmission Protocol

What is "CHMOD" and what do all those numbers mean?
Basically CHMOD refers to setting the access privledges for a file.
  • 777: all can read/write/exec
  • 755: owner can do all, group/others can read/exec
  • 644: owner can read/write, group/others can read only
For Directories:
  • 777: all can read, write, search
  • 755: owner can do all, others and group can only search
Typical settings:
  • cgi scripts: 755
  • data files: 666
  • configuration files: 644 (files not updated by scripts)
  • directories: 777 (with proper permissions on files in directory)