Match each item with a statement below.

A. A command used in CentOS 7 to provide a "snapshot" of the processes that are running
B. A number used by CentOS 7 to uniquely identify a process
C. The level of performance that you can expect during typical usage and workloads
D. A system that acts like a file system but is specially constructed to interface with specific areas in a system
E. A command that displays the amount or percentage of time a computer system or associated hardware is functioning and available for use
F. A performance problem that occurs when multiple processes are competing for resources and all of them converge on the same resource at once
G. A command used to stop or abort a process in a program or operating system
H. A command that usually reports average values on process status, memory consumption, I/O operations, and CPU usage since the last reboot
I. A command used in CentOS 7 to run a command repeatedly
J. command-line reporting and control information system in CentOS 7 that directly interfaces with the kernel and is stored in memory

A. ps command
B. PID
C. baseline
D. pseudo-file system
E. uptime command
F. bottleneck
G. kill command
H. vmstat command
I. watch free command
J. /proc file system