vim test.js하고선 우분투에서 빠져나가버렸다...?
다시 돌아가기 위해선 control+C 하면 됨
In many command-line interface environments, control+C is used to abort the current task and regain user control. ... It is a special sequence that causes the operating system to send a signal to the active program.
여기서 307230는 프로세스 아이디
프로세스는 프로그램이라고 보면 됨

ps -ef | grep processname
means: look for lines containing processname in a detailed overview/snapshot of all current processes, and display those lines
-e and -f are options to the ps command, and pipes take the output of one command and pass it as the input to another. Here is a full breakdown of this command:
- ps - list processes
- -e - show all processes, not just those belonging to the user
- -f - show processes in full format (more detailed than default)
- command 1 | command 2 - pass output of command 1 as input to command 2
- grep find lines containing a pattern
- processname - the pattern for grep to search for in the output of ps -ef
What does "ps -ef|grep processname" mean?
I want to know exactly what this particular command ps -ef|grep processname means and how it works. I know that this should be associated with processname which we want to search for, but I don'...
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307230 프로세스를 kill 하고서 다시 확인해보니
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