sca_sles15 Exam Dumps : SUSE Certified Administrator in Enterprise Linux 15

The file that contains information about secondary groups on the system is /etc/group. This file defines the group names, group IDs, group passwords, and group members for each group on the system. The primary group information for each user is stored in /etc/passwd file. References:

The command that is used to ensure an ext3 file system is checked every 50 times it is mounted is tune2fs. The tune2fs command can be used to adjust various parameters of an ext2, ext3, or ext4 file system. The -c option can be used to set the maximum number of mounts between two file system checks. For example, tune2fs -c 50 /dev/sda1 will set the check interval to 50 mounts for /dev/sda1. References:

To add additional physical volumes to an existing volume group, use the vgextend command. The vgextend command increases a volume group's capacity by adding one or more free physical volumes.

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The command that is used to add new physical volumes to an existing volume group is vgextend. This command will extend a volume group by adding one or more physical volumes to it. The physical volumes must be initialized with pvcreate before they can be added to a volume group. References: