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Typical program information screen

6.3 Excluding User Accounts

This subsection describes how certain users may be excluded from the list of user

accounts presented by pwdch. This task can and should be performed only by the

system administrator. As the configuration information is to be provided as part of the

comment column of /etc/passwd, root permissions are required. We decided to

exclude accounts instead of including them as in our experience this list of users stays

the same over a long period of time. We expect changes to be applied only at rare

occasions and during initial setup phase. pwdch typically excludes the user root as

well as accounts with user id zero and those identified by a special keyword (typically

NODISP, but this may be changed during the ordering process) in the comment

column of /etc/passwd. The columns in /etc/passwd are seperated by ":" with

structure

account:x:uid:gid:comment:homedir:shell

For more information about the /etc/passwd system file please consult a book about

UNIX or Solaris. To change the value of the comment column, use a simple text editor

such as vi to edit the file. Before doing so we recommend creating a backup file

invoking

# cp /etc/passwd /etc/passwd.backup

from the shell. You are now ready to change to original file using

# vi /etc/passwd

If you have chosen to use another editor, you have to substitute its name instead of vi.

In order to exclude users from the account list of pwdch, you now simply have to add

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AT&T CentreVu CMS Administration Manual de usuario Pagina 14