Which of the following commands checks a file system for errors? a. cd b. ping C. cls d. chkdsk

Q: Several questions regarding the commands and shell programming     a) list all files that the…

A: a) list all files that the name starts with ‘exam’ ls -d exam* a) list all files that the name…

Q: Which of the following is a Linux command for transfering files to a different directory? сору О…

A: The Linux operating systems are command-based operating systems in which most of the administrative…

Q: Using the UNIX, how would you copy the file README.txt that is located in the current working…

A: Required:

Q: Write down a Unix command that will add the contents of a file named file1.txt and a file named…

A: To add the content from one file to another file we use “cat” command in Unix.

Q: Following the execution of the command umask 731, the permissions of all newly created files and…

A: Introduction;   Permissions: In Linux operating system, the permissions are written in the format…

Q: What command will read and insert the file “heading” into the document you are editing and place it…

A: Actually, question regarding commands.

Q: Which command is used to display the top of the file? A. cat B. head C. more D. grep E. None of the…

A: As given in the above question it is the UNIX system.

Q: Which command is used to list the contents of the current working directory including the hidden…

A: Hidden File in Linux: The easiest way to show hidden files on Linux is to use the ls command with…

Q: The New command are used to open -5 an existing file on the computer hard or .any external data…

A: Lets see the solution in the next steps

Q: Which filenames would be a subsequent ls command display?$ lsabc abd abe abf abg abh$ rm abc ab*rm:…

A: To describe which filenames the subsequent ls command display.

Q: a. File & directory commands b. Text processing commands c. Communication comman

A: a. File & directory commands Step 1 – Open Command Prompt You have several ways to open Command…

Q: Which command is used to see which binary file will be executed for a Cammand?

A: Binaries are files that contains the machine code, they are otherwise called as executable files as…

Q: Which command is used to list the contents of the current working directory including the hidden…

A: Defined the command is used to list the contents of the current working directory including the…

Q: Which is/are the method(s) of using vi to edit a file in read-only mode? Group of answer choices vi…

A: There are many ways to edit files in Unix. Editing files using the screen-oriented text editor vi is…

Q: After typing the ls –a command, you notice that there is a file whose filename beginswith a dot ( .…

A: ls command: The "ls" is the UNIX/Linux command (program) that is used to enlist the list of the…

Q: After typing the command umask 731, the permissions on all subsequently created filesand directories…

A: Permissions: In Linux operating system, the permissions are written in the format where, The…

Q: Which symbol is used with cat command for creating files?

A: ans : >

Q: For UNIX, can you help me out here please. List of commands to read and use: use of wild card…

A: Change the working directory to your login directory:- $ cd directory_name   Create a subdirectory…

Q: What does the following command do?  cp -u * dir_file i. copy all files to directory dir_file ii.…

A: Question. What does the following command do?    cp -u * dir_file copy all files to…

Q: Which of the following commands locates the current directory in the directory hierarchy? wcd pwd…

A: Step 1  The correct answer is given in the below step with an explanation.

Q: Which of the following is the Linux command to rename files? a. rename b. F11 C. mv d. Is

A: the answer ia an rename

Q: Which of the following is NOT true? Directory or file boss payroll other data rwx r-x X- File.exe…

A: Data directory is an inventory that specifies the source,  location, ownership, usage, destination…

Q: Which command is used to display the amount of free space that exists on a filesystem?a. fsckb.…

A: Command for displaying the amount of free space The "df" command is used for knowing the amount of…

Q: 3. Which of the following UNIX command is used for create and use archives of files? a. cp b. mv c.…

A: Unix is an operating system which provides various commands to perform operations and few of them…

Q: dable opt

A: Below the Use df (with the human readable option), a pipe, and the grep command to show everything…

Q: What command outputs a long listing of your filenames in the current directory, including the…

A: ls command is used to list all the file in the current directory it gives only file names

Q: 13. Which of the following is default permission set for ordinary files? a) rw-rw-rw- b) rwxrwxrwx…

A: 13. Which of the following is default permission set for ordinary files? a) rw-rw-rw- b) rwxrwxrwx…

Q: What are the returned values of the following commands? >>rc_wait=wait(NULL); >getpid(); >…

A: As per our guidelines we are supposed to answer only three sub part of a question so post the other…

Q: What does the mv command do? (Choose all that apply.)a. It makes a volume.b. It makes a directory.c.…

A: "mv" command: In Linux operating system, "mv" command refers to move. It is used to move one or…

Q: Which cat command is used to create empty files? i. cp ii. cat iii. touch iv. create

A: Question. Which cat command is used to create empty files? i. cp ii. cat iii. touch iv. create

Q: Which of the following commands are used to create Sub directory- Mid inside parent…

A: Explanation: to do that we first need to create course directory then go to course and then create…

Q: Write the command that can be used to perform the following:a. Back up the contents of the /var…

A: Since there are multiple questions posted, we will answer for first “4” questions. If you want any…

Q: Which of the following is not a responsibility of the file system? a. Creating files…

A: A file system is one of the OS's functional components (Operating System).

Q: Which command is used to create empty files? a) cp b) cat c) touch d) create

A: Question. Which command is used to create empty files? a) cp b) cat c) touch d) create

Q: Which of the following DOS commands is used for renaming the directory name? a. MD b. TITLE C. REN…

A: According to the question below the complete solution:

Q: Which command searches for and displays any text contents of a binary file?a. textb. stringsc. odd.…

A: Command for displaying text contents of a binary file Linux consists of a huge number of commands…

Q: DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files? we use F5 why?

A: In DOS, F5 keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files

Q: Which are the methods to exit out of the vi editor? Group of answer choices In command mode, type…

A: 1.) Which are the methods to exit out of the vi editor? Answer  - In command mode, :q or :wq or :q!…

Q: Which of the following methods is used to check successful opening of a file in C++? O is_open0…

A: is_open() Check if a file has been opened.  Checks if the stream is currently associated with a…

Q: Which command is used to list the contents of the current working directory including the hidden…

A: Hidden File in Linux: The easiest way to show hidden files on Linux is to use the ls command with…

Q: Which command is used for removing/deleting files in UNIX?

A: Which command is used for removing/deleting files in UNIX?   rmdir   rm   cd   cp…

Q: Which of the following saves and exits a file you are editing in vi ?

A: Answer: The correct answer of the given question is option (b) "wq".

Q: You need to find a specific text file on your system by its metadata. Which of the following…

A: Step 1: The answer is given in the below step

Q: Which of the following plug-in file type is used in MS Windows? a. .DLL b. .SO c. .DSO d. PPC

A: Question. Which of the following plug-in file type is used in MS Windows? a. .DLL b. .SO c. .DSO d.…

Q: What are the returned values of the following commands? >>rc_wait=wait(NULL); >>getpid(); >…

A: rc_wait=wait(Null) wait() function return because the status of a child process is available,…

Q: If you don't know which version of MS-DOS you are working with, which command will you use after…

A: Subject: Operating system If you don't know which version of MS-DOS you are working with, which…

Q: For linux Write the necessary commands to display the list of the files ending with txt under the…

A: Command Used :  ls: Display all the files in the current working directory. pwd : Display the…

Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.