If the current directory is /root and the kernel source is located in /usr/src/linux, which of the
following commands should be used to apply the patch /tmp/foopatch?

A 2.6.9-ac1 kernel would be

What command should be used to find out what PCI devices can be seen, without querying the
kernel?

Considering that a 2.4 series Linux kernel is being used, which kernel module must be loaded to
enable CD burning with an IDE CD writer?

What command must be used to create an ext3 filesystem?

The Linux kernel is loaded successfully by the boot loader. However, straight after the kernel
mounts the root filesystem, the boot process stops and an error message regarding init is shown.
Which of the following actions is the best one to be used in order to identify and fix the problem?

A machine is running in single user mode and, as such, not all file-systems are accessible. What
command must be run to make all of the other file-systems listed in /etc/fstab accessible?

What command is used to force a file-system check, when rebooting?

What command can be used on an existing (formatted) partition, to configure the interval between
disk checks when mounting partitions?

Performing a DNS lookup with dig results in this answer:
;; question SECTION:
;5.123.168.192.in-addr.arpa. IN PTR
;; ANSWER SECTION:
5.123.168.192.in-addr.arpa. 600 IN PTR linuserv.example.net.123.168.192.in-addr.arpa.
;;AUTHORITY SECTION:
123.168.192.in-addr.arpa. 600 IN NS linuserv.example.net.
;; ADDITIONAL SECTION:
linuserv.example.net. 600 IN A 192.168.123.5

What might be wrong in the zone definition?