1. Which of the following kernel parameters to control the kernel boot messages to suppress the most?

A) quiet
B) nomesg
C) verbose = 0
D) None



2. What command will create a list of user names in / etc / passwd, as well as their login shell?

A) cut-d -f1,7 the / etc / passwd
B) colrm 1.7 / etc / passwd
C) cleaved 1,7-c in the / etc / passwd
D) -s column: 1.7 / etc / passwd
E) None


3. Which of the following information existing file is changed when a hard link indicates that the file has been created?

A) access
B) number of links
C) Edit the timestamp
D) file size
E) inode number


4. What is the purpose Bash built-in export command?

A) It allows the sheets can be installed remotely
B) It runs from the command subshell process.
C) It makes available commands subshells.
D) It creates environment variables applications.
E) It shares the NFS partitions for use in other systems online


5. Which of the following commands will replace the boot program is located in / dev / sda without overwriting the partition table or no information about the following it?

A) None
B) dd if = / dev / zero = / dev / SDA bs = 512
C) dd if = / dev / zero = / dev / SDA bs = 512 count = 1
D) dd if = / dev / zero = / dev / SDA bs = 440 count = 1
E) dd if = / dev / zero = / dev / SDA bs = 440