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Issue description

Discrepancy Between Course Content and Terminal Output for Postfix Script for step 2:

2. Use the grep command to find the GID and UID for the postfix and postdrop groups and users. To do so, use the rpm -q --scripts command, which queries the information for a specific package and shows the scripts that are used as part of the installation process.
[root@servera ~]#
rpm -q --scripts postfix | grep -e 'user' -e 'group'

1. Add user and groups if necessary
   /usr/sbin/groupadd
   -g 90 -r
   postdrop
   2>/dev/null
   /usr/sbin/groupadd
   -g 89 -r
   postfix
   2>/dev/null
   /usr/sbin/groupadd
   -g 12 -r
   mail
   2>/dev/null
   /usr/sbin/useradd
   -d /var/spool/postfix -s /sbin/nologin -g postfix -G mail -M -r -u 89
   postfix
   2>/dev/null setgid_group=postdrop \
    

Output needs to be updated.

Steps to reproduce:

Workaround:

Expected result: