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Top Forums Shell Programming and Scripting To create user name with read only access Post 302434788 by funksen on Monday 5th of July 2010 06:43:23 AM
Old 07-05-2010
there are no "read only" groups

there are files/folders that have read only permission for a group
if a group has no write access to any file on a system, you may call it read only group, but there's still the /tmp folder, where everyone has write rights


normally a new created user just has write rights to his home directory
if you change the home directory of the user to something like
chmod 555 /home/user , the user should be a read only user for the most directories on your system

but any time you change a directory to 777 for example, the user will be able to write to that directory, so be careful

perhaps you want to have a look at:

UNIX permissions
 

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lnewusers(8)						      System Manager's Manual						      lnewusers(8)

NAME
lnewusers - Create new user accounts SYNOPSIS
lnewusers [OPTION]... DESCRIPTION
Creates new user accounts using data read from standard input. The input data consits of lines, each line has 7 colon-separated fields: User Name Plaintext Password User ID lnewusers refuses to create users with user ID 0 (the root user ID). Group If this field is a valid group ID, it is interpreted as a group ID, otherwise as a group name. If the field is empty, a group name equal to user name is used. If the specified group does not exist, it is automatically created. If the group is specified with a group ID, the created group has group name equal to the user name. GECOS The GECOS field is traditionally used to store user's real name and other information. Home Directory If this field is empty, a default specified by libuser configuration, or /home/username if libuser configuration does not specify a default, is used. Login Shell If this field is empty, a default specified by libuser configuration is used. Errors in user specifications are reported and processing continues on the next line. OPTIONS
-f, --file=file Read account data from file instead of standard input. -i, --interactive Ask all questions when connecting to the user database, even if default answers are set up in libuser configuration. -M, --nocreatehome Don't create home directories. -n, --nocreatemail Don't create mail spool files. EXIT STATUS
The exit status is 0 on success, nonzero on fatal error. Errors in user specifications are not reflected in the exit status. libuser Jan 12 2005 lnewusers(8)
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