Question 31: Which command is used to list all files whose name extension does not contain characters in the range from "x" come "w" in the current directory: A. ls *.!x | .!w B. ls *.[!x-w] C. ls ! *.[xz] D. ls *.[!xw] EASY is the correct answer =============== Link Hoc va de thi 2021
Giá trị lớn nhất của hàm số (fleft( x right) = left| {{x^3} + 3{x^2} – 72x + 90} right| + m) trên đoạn (left[ { – 5;,5} right]) là (2018). Trong các khẳng định dưới đây, khẳng định nào đúng? – Sách Toán – Học toán Link Hoc va de thi 2021
Question 22: To create a file "new" contains the contents of two files "data" and "odd", we use the command: A. cp data odd > new B. cp data odd >> new C. cat data odd > new D. All is correct OLD is the correct answer =============== Link Hoc va de thi 2021
Cho hàm số (y = – {x^3} + m{x^2} – left( {{m^2} + m + 1} right)x). Gọi (S) là tập hợp các giá trị của tham số (m) sao cho giá trị nhỏ nhất của hàm số trên đoạn (left[ { – 1;1} right]) bằng ( – 6). Tính tổng các phần tử của […]
Question 14: To see the status of open ports of a Linux machine, we use any of the following commands: A. ipconfig B. ifconfig C. netstat D. route OLD is the correct answer =============== Link Hoc va de thi 2021
Question 9: The PPIUD parameter refers to: A. Properly process ID B. Parent process ID C. Papa Process ID D. None of this is true REMOVE is the correct answer =============== Link Hoc va de thi 2021
Question 5: Emacs is a program: A. Text editing B. Programming Tools C. Email client D. All the above features A is the correct answer =============== Link Hoc va de thi 2021
Question 1: Which run level is shutdown and halt the system: A. Level 6 B. Level 0 C. Level 5 D. Level 3 REMOVE is the correct answer =============== Link Hoc va de thi 2021
Question 47: A user has username Sinhvien and home directory is /home/sinhvien. To return to the home dir as quickly as possible, he must use the command: A. cd B. cd /home/sinhvien C. cd / ; cd home ; cd student D. All of the above statements are wrong REMOVE is the correct answer =============== […]
Question 43: In a Linux environment, to declare a mailing list (often called group mail) in the sendmail program, what file does the administrator usually use to describe? A. /etc/mail/sendmail.cf B. /etc/mail/alias C. /etc/aliases D. /etc/mail/virtusertables OLD is the correct answer =============== Link Hoc va de thi 2021