Hybrid Quiz 2 (Material from w03-w04) 3

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Algonquin College *

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CST8102

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Computer Science

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Feb 20, 2024

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4

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Important: Written answers commands are automatically graded. Enter them accurately according to the following: 1. Use -5 instead of —n 5 with the relevant commands 2. Use only the minimum and absolutely required options 3. Write options before the other arguments (1f the command permits) For example: 1ls -1 1l.txt instead of 1ls 1l.txt -1 4. Use exactly one space to separate arguments, options, pipes, and redirections. For example: echo hello | wc instead of: echo hello|wc 5. Use fgrep instead of grep 6. Remove redundant spaces 1n the beginning and end Question 1 (1 point) Saved Which command can copy one directory to another? O copytree (:)dup Q cpdir Question 2 (1 point) Saved Enter the complete command to have all newly created files with execute permission for owner, group and others. If it 1s not possible, answer none [ umask 666 ] Ay
Question 3 (1 point) Saved If foo 1s an empty sub-directory, what happens after this command line: date >foo/single ; mv foo/single double C:)the command fails because single is not a directory <:)a new empty file named double is created there 1s a second copy of the file single 1n the file named double (:)the directory foo is now empty (:)the command fails because the name double does not exist Question 4 (1 point) Saved Enter the complete command to set all newly created files and directorilies to have no permissions for the user, group and others. Use 3 digits octal permissions mode. [ umask 777 ] Ay Question 5 (1 point) Saved What 1s this symbolic mode i1in octal (Enter 3 octal digits) —IWXYX—XX—— E g Question 6 (1 point) Saved Which of the following commands displays the information in the inode?
Question 7 (1 point) Saved You are 1in an unknown directory. Copy the file 1l.txt from your home directory to the sub-directory sub which i1s directly under your home directory. Use the shortest pathname (s) possible. Use the minimal number of required options. 4 ) cp ~/1.txt ~/sub Question 8 (1 point) Saved What 1s the minimum permission needed on a directory to do:mv 1.txt 2. txt Question 9 (1 point) Saved Copy the file 1.txt 1n the parent directory i1nto the current directory, and name 1t copy.txt
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4 ) cp ../1.txt copy.txt Question 10 (1 point) Saved What i1is the minimum permission needed on the file 1l.txt to: 1n 1.txt 2.txt m 10 of 10 questions saved

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