Basic Unix Command Line Quiz

1. How do you create a new directory called flower?

Newdir flower

Mkdir flower

Crdir flower

The correct answer is "mkdir flower". This command is used to create a new directory in a file system. In this case, the directory is named "flower".

Explanation

The correct answer is "mkdir flower". This command is used to create a new directory in a file system. In this case, the directory is named "flower".

2. How do you display a listing of file details such as date, size, and access permissions?

List all

Ls -full

Ls -l

The command "ls -l" is used to display a detailed listing of files, including their date of creation or modification, size, and access permissions. This command provides a comprehensive view of file details in a structured format, making it easier for users to analyze and manage their files.

Explanation

The command "ls -l" is used to display a detailed listing of files, including their date of creation or modification, size, and access permissions. This command provides a comprehensive view of file details in a structured format, making it easier for users to analyze and manage their files.

3. Change the current directory to /usr/local/bin.

Mv /usr/local/bin

Cd /usr/local/bin

Setdir /usr/localbin

The correct answer is "cd /usr/local/bin". This command is used to change the current directory to /usr/local/bin. The "cd" command stands for "change directory" and is followed by the path of the directory you want to navigate to. In this case, it specifies the path /usr/local/bin as the new directory.

Explanation

The correct answer is "cd /usr/local/bin". This command is used to change the current directory to /usr/local/bin. The "cd" command stands for "change directory" and is followed by the path of the directory you want to navigate to. In this case, it specifies the path /usr/local/bin as the new directory.

4. How do you get help about the command cp?

Help cp

Man cp

Cp ?

The correct answer is "man cp" because "man" is a command in Unix-like operating systems that is used to display the manual pages for a given command. In this case, "man cp" would display the manual page for the "cp" command, providing detailed information and instructions on how to use it.

Explanation

The correct answer is "man cp" because "man" is a command in Unix-like operating systems that is used to display the manual pages for a given command. In this case, "man cp" would display the manual page for the "cp" command, providing detailed information and instructions on how to use it.

5. What is the command to search all files in your current directory for the word plasmodium?

Grep plasmodium *

Find plasmodium -all

Lookup plasmodium *

The correct answer is "grep plasmodium *". The "grep" command is used to search for a specific pattern or word in files. In this case, it will search for the word "plasmodium" in all files in the current directory. The "*" is a wildcard character that represents all files in the directory.

Explanation

The correct answer is "grep plasmodium *". The "grep" command is used to search for a specific pattern or word in files. In this case, it will search for the word "plasmodium" in all files in the current directory. The "*" is a wildcard character that represents all files in the directory.

6. How do you rename a file from new to old?

Mv new old

Cp new old

Rn new old

To rename a file from "new" to "old", the correct command is "mv new old". The "mv" command is used to move or rename files and directories in Unix-like operating systems. By specifying the current name of the file ("new") and the desired new name ("old"), the file is effectively renamed.

Explanation

To rename a file from "new" to "old", the correct command is "mv new old". The "mv" command is used to move or rename files and directories in Unix-like operating systems. By specifying the current name of the file ("new") and the desired new name ("old"), the file is effectively renamed.

7. How do you print the first 15 lines of all files ending by .txt?

Print 15 .txt

Cat *.txt -length=15

Head -15 *.txt

The correct answer is "head -15 *.txt". The "head" command is used to print the first few lines of a file. By using the option "-15", it specifies that we want to print the first 15 lines. The "*.txt" part is a wildcard that matches all files ending with ".txt". Therefore, the command "head -15 *.txt" will print the first 15 lines of all files ending with ".txt".

Explanation

The correct answer is "head -15 *.txt". The "head" command is used to print the first few lines of a file. By using the option "-15", it specifies that we want to print the first 15 lines. The "*.txt" part is a wildcard that matches all files ending with ".txt". Therefore, the command "head -15 *.txt" will print the first 15 lines of all files ending with ".txt".

8. How do you display the contents of a file myfile.txt?

Type myfile.txt

List myfile.txt

Less myfile.txt

Cat myfile.txt

D is also correct, however for large files C is preferred.

Explanation

D is also correct, however for large files C is preferred.