Question 1) Cert-XK0-002 – CompCert: Linux+

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Objective : Management
SubObjective : Manage local storage devices and file systems
Single Answer Multiple Choice

 

What is the function of the ‘rawrite’ command?

 

 

  1. to change the finger information for a user
  2. to write critical data for an ext2 file system to the image file
  3. to write image files to diskettes in the MS-DOS environment
  4. to display the usage information for RAM on the system

 

 

 

Answer:
C. to write image files to diskettes in the MS-DOS environment

Tutorial:
The ‘rawrite’ command is used to write image files to diskettes in the MS-DOS environment. The ‘rawrite’ command prompts the user to enter the image to be copied, followed by the name of the diskette drive on which the image should be written. After writing the image to the diskette, the ‘rawrite’ command returns a success or failure message.

The ‘rawrite’ command is not used to change the finger information for a user. The ‘chfn’ command can be used to change the finger information for the specified user. The ‘chfn’ command can be used to change the user’s full name, office details, office phone number, and residence phone number.

The ‘rawrite’ command is not used to write critical data for the ext2 file system to the image file. To save the critical ext2 file system data to a file, the ‘e2image’ command should be used. Using the ‘e2image’ command, the data is stored in the form of an image file and can be used in situations, such as file system corruption.

The ‘rawrite’ command is not used to display the usage information for RAM on the system. When used without any parameter, the ‘ramsize’ command displays the RAM disk usage on the system.

 

Reference:
RedHat.com, Using the rawrite Utility, http://www.redhat.com/docs/manuals/linux/RHL-7.1-Manual/alpha-install-guide/s1-makediskette-rawrite.html
Linux Command Directory, chfn, http://www.linuxdevcenter.com/linux/cmd/cmd.csp?path=c/chfn
Linux Command Directory, ramsize, http://www.linuxdevcenter.com/linux/cmd/cmd.csp?path=r/ramsize

 

These questions are derived from the Transcender Practice Test for the CompTIA Linux+ certification exam.

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