Depending on the Role that a specific end-user has, they could be unable to see and change the "Command Line" under any Quick Software Delivery task.
ITMS 8.x
The user lacks permissions for the Role.
Command line is a resource type. The security Role needs at least "Read" permissions to the resource type and OU that the resource type is in and in other instances, some of the data classes used by the resource type.
Add "Read" and "Read Permission" under "Security Role Manager > View: Resource > Organizational Views > Default > All Resources > Software Command Line" to the Role that the end-user is part of.