What is the shell?1 pointInformation received by the operating system (OS) via the command lineAn instruction telling the computer to do somethingThe command-line interpreterData consisting of an ordered sequence of characters

What is the shell in Linux?1 pointAn instruction telling the computer to do somethingA Linux command that outputs a specified string of textThe command-line interpreterThe information received by the OS via the command line7.Question 7

Question 1What is the shell?1 pointAn instruction telling the computer to do somethingInformation received by the operating system (OS) via the command lineData consisting of an ordered sequence of charactersThe command-line interpreter2.Question 2After a user inputs a command into the shell, what can the shell return to the user? Select two answers.1 pointA request for more input from the userOutputA request for user approvalAn error message3.Question 3What is standard error in Linux?1 pointInformation returned by the operating system through the shellInformation received by the operating system via the command lineA Linux command that outputs a specified string of textError messages returned by the operating system through the shell4.Question 4What is the difference between standard input and standard output?1 pointStandard input is sent from the Filesystem Hierarchy Standard (FHS). Standard output is sent to the FHS.Standard input is sent to the operating system. Standard output is sent from the operating system.Standard input is sent from the operating system. Standard output is sent to the operation system.Standard input is sent to the Filesystem Hierarchy Standard (FHS). Standard output is sent from the FHS.

What is a command?1 pointAn instruction that tells a computer to do somethingThe highest-level directory in LinuxA component of the Linux architectureA common shell in many Linux distributions

Question 1What is a command?1 pointA common shell in many Linux distributionsThe highest-level directory in LinuxAn instruction that tells a computer to do somethingA component of the Linux architecture2.Question 2Which of the following commands prints the working directory to the screen?1 pointcatpwdheadls3.Question 3What does the cd command do?1 pointOutputs a specified string of textDisplays the names of files in the current directoryPrints the working directory to the screenNavigates between directories4.Question 4A security professional enters head access.txt into a shell. What are they telling the operating system to do?1 pointRemove the first 5 lines of access.txtReturn the content of access.txt one page a timeAdd a header to the file named access.txtDisplay the first 10 lines of access.txt5.Question 5What is the difference between an absolute file path and a relative file path?1 pointAn absolute file path ends with a forward slash (/), and a relative file path ends with a backslash (\).An absolute file path starts from the current directory, and a relative file path starts from the root.An absolute file path starts from the root, and a relative file path starts from the current directory.An absolute file path ends with a backslash (\), and a relative file path ends with a forward slash (/).

Shell Programming (Bourne Shell):