Chmod 555 Meaning One tool that you can make use of is the zodiac compatibility calculator This is a calculator that makes use of astrology and also numerology to establish if a certain person is compatible with youAnswered 6 months ago In UNIX or UNIX based operating system, CHMOD is a command used to change the access permissions of file system The chmod numerical format accepts up to four octal digits The three rightmost digits define permissions for the file user, the group, and others31 The full permissions mode number is a 4digit octal number, though most of the time, you only use the 3 leastsignificant digits Add up each group in the permissions string, taking r=4, w=2, x=1 For example rwxrxr \_/ rwx = 421 = 7 \_/ r_x = 401 = 5 \_/ r__ = 400 = 4 => 0754 Understanding Unix Permissions And File Types Unix Linux Stack Exchange Chmod numbers meaning