Which of the following commands will change the quota for a specific user?

The 'edquota' (edit quota) command opens a user's quota settings in the system's default text editor, allowing an administrator to modify soft limits, hard limits, and grace periods for both disk space and inode usage on a per-user or per-group basis. It is the only command in the standard quota toolset that provides interactive editing of quota values rather than just reporting them.

'repquota' generates a summary report of disk usage and quota limits for all users on a filesystem but provides no mechanism to modify those limits.

'quota -e' is not a valid invocation; the 'quota' command has no '-e' flag and cannot be used to edit quota values.

The 'quota' command displays current disk usage and quota limits for a user but is strictly read-only and cannot change quota values.