Which ONE of the following wireless tools can be used to check the wireless network link quality? A. iwconfig B. iwlink C. iwscan D. iwifi

A Linux machine freezes during boot. To boot directly to a shell prompt so that editing of files and manual starting of services is possible which command line must be passed to the kernel for the boo...

To make a system backup, the simplest and fastest way is to use the tar command. Select the correct alternative below that shows the three tar parameters that create, list and expand a tar file respec...

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 sys...

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 m...

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

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?

The user's 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...

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

What command is used to create an ISO9660 filesystem that can be properly accessed from a Windows 95/98 machine? A. mkisofs -l -o backup.iso /home/joe B. mkisofs -J -T -r -o backup.iso /home/joe ...