题目内容

Which of the following are displayed by top by default? Select all answers that apply.

A. PID
B. PR
C. UID
D. USER

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Which of the following describes things pstree can display? Select all answers that apply.

A. The relationship between parent and child processes
B. Recently terminated processes
C. Repeated processes
D. Threads in curly braces

Which of the following can be used to view process information? Select all answers that apply.

A. top
B. pstree
C. which
D. w

Which command is used to enumerate the background processes running in the current terminal session?

A. sleep
B. fg
C. jobs
D. bg

Which command is used to bring the process to the foreground?

A. bg
B. sleep
C. fg
D. &

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