Hệ Điều Hành_06
Authored by Trinh Gia
Other
University
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thông tin về các người dùng (user) được lưu trong file nào?
/etc/group
/etc/user
/etc/passwd
/home/passwd
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thông tin về các nhóm người dùng (group) được lưu trong file nào?
/home/passwd
/etc/group
/home/.bashrc
/etc/passwd
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lệnh nào sau đây cho phép xem danh sách các tiến trình đang chạy trên hệ thống Ubuntu?
kill
Is
ps
mv
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu là tên biến môi trường trong shell bash?
Home
HOME
user
pwd
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để xem các job (công việc) đang thực hiện trên shell bash của Ubuntu sử dụng lệnh nào?
jobs
kill
Is
ps
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lệnh nào sau đây in ra giá trị của biến i trong shell bash?
echo '$i'
print $i
ps $i
echo $i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giả sử biến biến DIR có giá trị là đường dẫn tới thư mục /home/nmhung. Lệnh Is $DIR trên shell bash sẽ làm gì?
In ra nội dung thư mục /home/nmhung
In ra giá trị biến DIR là /home/nmhung
In ra nội dung thư mục /home
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