Which of the following commands is used to clear all entries from the system error log? （）

A. /var/adm/ras/errlog 
B. /var/adm/ras/diag_log 
C. /var/adm/ras/bootlog
D. /var/adm/ras/devinst.log

A. Set the dump device to /dev/hd6. 
B. Run sysdumpdev to set the force copy flag for dump to true. 
C. Run sysdumpdev to set the force copy flag for dump to false. 
D. Increase space in the /tmp directory. 

A. Replace the hard disk with a faster disk drive. 
B. Add another paging space on another hdisk. 
C. Spread the data hdisk0 across several hdisks. 
D. Nothing, since %iowait is a measurement of CPU time.