Shell Scripting Quiz

What does the command "chmod +x script.sh" do?

• Makes the script.sh file executable

• Changes the ownership of script.sh

• Renames the script.sh file

• Deletes the script.sh file

Which symbol is used to redirect standard output in a command line interface?

• <

• >

• |

• &

In a computer science class, what does the command "echo $PATH" display?

• Current directory

• User's home directory

• List of directories searched for executables

• System environment variables

Which command is used to display the contents of a file in shell scripting?

• cat

• ls

• grep

• chmod

What does the "&&" operator do in a real-world scenario?

• Terminates the current process

• Represents "or" condition

• Represents "and" condition

• Skips the next step

What is the default shell in most Linux distributions?

• Bash

• Zsh

• Ksh

• Csh

Which command is used to pause the execution of a script until user input is provided?

• sleep

• pause

• read

• wait

In a company, what does the "$$" symbol represent in the context of payroll management?

• Current employee's salary

• Employee's bank account number

• Company's financial year

• Employee's unique identification number

What does the command "grep -i 'hello' file.txt" do?

• Counts the occurrences of "hello" in file.txt

• Searches for "hello" case-insensitively in file.txt

• Deletes the line containing "hello" from file.txt

• Appends "hello" to the end of file.txt

Which command is used to list all running processes in shell scripting?

• ps

• top

• pgrep

• process