As a root user, you executed the following command on your Oracle Linux 6 server:
[root@host] # strace – o /tmp/diag.out sh diag.sh Which statement describes the purpose of
this command?
A.
It records the memory usage and CPU usage information of the processes when the
diah.sh script runs.
B.
It collects the operating system metrics when the diag.sh script runs.
C.
It collects the memory and swap space metrics when the diag.sh scripts runs.
D.
It records the system calls, which are called by the processes when the diag.sh script
runs.
strace – trace system calls and signals.
The name of each system call, its arguments
and its return value are printed on standard error or to the
file specified with the -o option.