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System Monitoring Tools 시스템 모니터링 도구
indexterm:[system information,processes]indexterm:[processes] indexterm:[시스템 정보, 처리]indexterm:[처리]
Using the ps Command ps 명령어 사용하기
[command]#ps# [option]`ax`
[command]#ps# [option]`ax`
[command]#ps# [option]`aux`
[command]#ps# [option]`aux`
~]$ [command]#ps ax | grep emacs#
2625 ? Sl 0:00 emacs
~]$ [command]#ps ax | grep emacs#
2625 ? Sl 0:00 emacs
Using the top Command top 명령 사용하기
[command]#top#
[command]#top#
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
510 john 20 0 1435m 99m 18m S 9.0 13.3 3:30.52 gnome-shell
32686 root 20 0 156m 27m 3628 R 2.0 3.7 0:48.69 Xorg
2625 john 20 0 488m 27m 14m S 0.3 3.7 0:00.70 emacs
1 root 20 0 53128 2640 1152 S 0.0 0.3 0:02.83 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:00.18 ksoftirqd/0
5 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/u:0
6 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
7 root RT 0 0 0 0 S 0.0 0.0 0:00.30 watchdog/0
8 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset
9 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper
10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
11 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
12 root 20 0 0 0 0 S 0.0 0.0 0:00.11 sync_supers
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 bdi-default
14 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
510 john 20 0 1435m 99m 18m S 9.0 13.3 3:30.52 gnome-shell
32686 root 20 0 156m 27m 3628 R 2.0 3.7 0:48.69 Xorg
2625 john 20 0 488m 27m 14m S 0.3 3.7 0:00.70 emacs
1 root 20 0 53128 2640 1152 S 0.0 0.3 0:02.83 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:00.18 ksoftirqd/0
5 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/u:0
6 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
7 root RT 0 0 0 0 S 0.0 0.0 0:00.30 watchdog/0
8 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset
9 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper
10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
11 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
12 root 20 0 0 0 0 S 0.0 0.0 0:00.11 sync_supers
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 bdi-default
14 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd
|Command|Description
|kbd:[Enter], kbd:[Space]|Immediately refreshes the display.
|kbd:[h], kbd:[?]|Displays a help screen.
|kbd:[k]|Kills a process. You are prompted for the process ID and the signal to send to it.
|kbd:[n]|Changes the number of displayed processes. You are prompted to enter the number.
|kbd:[u]|Sorts the list by user.
|kbd:[M]|Sorts the list by memory usage.
|kbd:[P]|Sorts the list by CPU usage.
|kbd:[q]|Terminates the utility and returns to the shell prompt.
|Command|Description
|kbd:[Enter], kbd:[Space]|Immediately refreshes the display.
|kbd:[h], kbd:[?]|Displays a help screen.
|kbd:[k]|Kills a process. You are prompted for the process ID and the signal to send to it.
|kbd:[n]|Changes the number of displayed processes. You are prompted to enter the number.
|kbd:[u]|Sorts the list by user.
|kbd:[M]|Sorts the list by memory usage.
|kbd:[P]|Sorts the list by CPU usage.
|kbd:[q]|Terminates the utility and returns to the shell prompt.
Using the System Monitor Tool 시스템 관리 도구 사용하기
view a memory map of a selected process, 선택된 프로세서의 메모리 맵 보기,
view the files opened by a selected process, and 선택된 프로세서에 의해 열어본 파일 보기, 그리고
change the priority of a selected process, and 선택된 프로세서의 순위를 변경하고, 그리고
Viewing Memory Usage 메모리 사용량 보기
indexterm:[system information,memory usage]indexterm:[memory usage]indexterm:[RAM] indexterm:[system information,memory usage]indexterm:[memory usage]indexterm:[RAM]
Using the free Command free 명령어 사용하기
[command]#free#
[command]#free#
[command]#free# [option]`-m`
[command]#free# [option]`-m`
For instance: 예를 들면: