Appendix 1: Common UNIX Commands

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g

set the permissions to those of the group.

o

set the permissions to those other than the group.

 c

give a verbose reporting of only the files changed.

 r

recursively change permissions of directories and their

contents.

 f

do not print errors about files that were not changed.

Example:

chmod g w ./*

Will remove the group write permissions from all the files in the current di 

rectory.

See also: chown, chgrp