One of the IDE hard drives in a server is transferring data very slowly. What command must be

run to enable DMA on it?

What happens when the Linux kernel can’t mount the root filesystem when booting?

You have written a little startup script (/usr/local/bin/startup.sh) that should automatically execute
when entering runlevel 3. According to the standards, how can this best be achieved?

What command is used to create an ISO9660 filesystem that can be properly accessed from a
Windows 95/98 machine?

In order to find all library dependencies of /usr/bin/foo, which of the following statement is true?

The user’ quotas on the server were reduced from 200MB to 100MB. Besides sending emails to
all users, it was requested that a message should communicate the change every time a user
access the server. Which of the following is the correct method to configure this?

A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue
CD-ROM, how can the lost GRUB first stage loader be recovered?

Why is the root file system mounted read-only during boot and remounted with write permission
later on?

Following the instructions contained in the README file of an application, the make command
was executed but the following message was displayed on the screen:
Make: *** No targets specified and no makefile found. Stop.

Which are the TWO possible causes for this problem?

It is possible to configure kernel parameters at runtime (e.g. the maximum size of the shared
memory segment (shmmax)). In which TWO ways can this be changed to 2GB (2147483648
Bytes) on a running system?