13. Which of the following is default permission set for ordinary files? a) rw-rw-rw- b) rwxrwxrwx c) r-r-r- d) rw-rw-rwx
Q: What command tells grep to look for all lines consisting of only the letter Z followed by any four…
A: The grep command is used to locate information for specific pattern, stored on server or…
Q: 1. Display the first 12 lines of /etc/services. 2. Display the last line of /etc/passwd. 3. Use cat…
A: Step 1:- Note:-As per policy, we are entitled to answer the first three subparts of the question.…
Q: 9- Using sed command, we're able to quickly and easily find and replace a set of characters within a…
A: a) sed -i 's/bad/good/gI' hello.txt s= substitute command bad= a regular expression describing the…
Q: Which of the following statements regarding files is true? O When opening a file with no mode, it is…
A: - We need to talk about the files according to the statements given. - The options : The first…
Q: Which one of the following function is capable of reading a file into a string variable?
A: file_get_contents() - This function is the preferred way to read the contents of a file into a…
Q: chown bob:bin file.txt Which of the following statements are true ? ( Choose two.) a. This…
A: The true statements are:
Q: def myFunction (filename): infile = open (filename, 'r') 1st = infile.readlines () infile.close ()…
A: infile reads the file into a list readline reads each line into a new index of the list
Q: Suppose you have an open file object called infile. Which of the following C++ statements will close…
A: Answer is option D infile.close();
Q: 1- Use the cat command to create a file. Name of this file should be file1. Type a few sentences in…
A: 1. Creating a file- cat >file1.txt this is first line sentence. this is second sentence.…
Q: Create the following files: file01 file02 File 12 File112 fileRV filer fileR fileRRR file) file 8.…
A: 1. a) List (with ls) all files starting with File and having a character as fifth character and…
Q: After typing the ls –F command, you notice a filename that ends with an * (asterisk)character. What…
A: Special character and file type: "ls" command is used in Linux to list the files in directory. The…
Q: Which of the following options can be used to read the first line of a text file "Myfile.txt"? a.…
A: Which of the following options can be used to read the first line of a text file "Myfile.txt"? a.…
Q: void loadPokemon ( Pokemon *mons[], int& nPokemon ) fstream infile; infile.open( "insert text file…
A: Answer: I have modifies code and now working fine.
Q: 3.Which of the following will read a string from a file with FILE* fpto char myString[81] properly…
A: 3.Which of the following will read a string from a file with FILE* fp to char myString[81] properly…
Q: 2. Write the D0S command for the following: Consider that you have four txt file in "E:\UTAS" with…
A: Below are all the commands:
Q: Which of the following writes the contents of the strFirst and strLast variables on separate lines…
A: Solution: option b: outFile.WriteLine(strFirst) outFile.WriteLine(strLast)
Q: Write a script that accepts 3 arguments which are the name of three files (if incorrect number of…
A: ANSWER: Parameter Passing: Very much like some other straightforward order, [ ... ] or test requires…
Q: When a user issues the following distinct commands, what happens and why? Assume all files exist. $…
A: The command wc means word count. By default, this command is used in two ways. 1. wc command used…
Q: Which symbol is used with cat command for creating files?
A: ans : >
Q: Create the directory “Project”& perform the following actions: a)Create the files…
A: Note: As per Q and A guidelines, we are only supposed to answer 1 question. So, solving the first…
Q: 1. save_friendsdb This function takes two arguments, friendsdb and filename. It opens up the file…
A: According to the information given:- We have to create a save_friendsdb with 2 argument friendsdb…
Q: The following commands use redirections. Assuming that you have all the relevant permissions over…
A: Introduction: Redirection: Many Linux commands produce output that is pushed to the screen, they are…
Q: Kern32.dll is what kind of file?
A: answer is
Q: Assume that the file 'mydata.txt' exists and contains the following text: 200 1500 The last line of…
A: option a is correct the following three lines 200 and 1500 and 600 we have used a+ which append the…
Q: Which of the following functions can be used to read large data file? Select one: O a. datae O b.…
A: b. read.csv()
Q: Write a script named copyfile.py. This script should prompt the user for the names of two text…
A: # get the name of both files file1 = input("Enter file1: ") file2 = input("Enter file2: ") # now…
Q: What command tells cut to output the first five characters of every line from the file practice?
A: In Linux, a file can be created using any of the available text editors or using vi command. To…
Q: Create a file with the name "BankAccount.txt" and has the following content (the account name,…
A: Note: As per the Bartleby policy, we can solve only one question at a time. Please post the…
Q: Write a script named dif.py. This script should prompt the This is text. Comparing files that are…
A: Make sure you don't do identation mistake while typing. logic:- load two files along with path and…
Q: Question 8 which of the following code segment will open a file called MyFile.dat? A openFile…
A:
Q: Which of the following code is used to add a string to the end of a file with the file object m? o…
A: Which of the following code is used to add a string to the end of a file with the file object m?…
Q: 666
A: the default permission assigned when you create a file with umask
Q: Which one of the following will correctly open a file for reading? Assume the following…
A: Whenever you need to deal with a file, you must first create it. A file is simply memory space in…
Q: 17. Assume you use a redirect to send the output from a command to a file. How do you control…
A: The answer of this question is as follows:
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: Briefly describe what each of the following statements does. file.seekp(100L,…
A: Binary files: A Binary file is completely different from a normal text file. It is also referred as…
Q: 1. Create a group named group1 and three users named user1, user2 and user3. Assign user1 to group 1…
A:
Q: Which of the following can be used to truncate a regular file? open(2) O creat(2) O standard output…
A: Answer : option c is the right option.
Q: Which of the following function is used to close the file in python.? O a. closefile() O b. close()…
A: Given: Correct Option
Q: If a file F has following data: Windows Paid Android Free Linux Free Mac paid Write a command to…
A: NOTE: As the language is not mentioned I am using the bash to write the command for the required…
Q: Which of the following file descriptor numbers represents stdout?a. 2b. 0c. 1d. 3
A: The integer value 2 represents the file descriptor for standard error. The number 0 represents the…
Q: Which of the following function is used to close the file in python.? O a. closefile() O b.close() O…
A: Explanation: end(), stop(), closefile() are not used to close a file. syntax to close a file is:…
Q: Which of the following statements is true? OA try/catch block should never be used with filelo OA…
A: A try-catch block is used to handle Exceptions to terminate the program execution unexpectedly
Q: Which of the following reads a line of text from a sequential access file and assigns the line…
A: The statement “strText = inFile.ReadLine” is used to read a line of text from sequential access file…
Q: you will need to create the following textbook specified files. Use vi to create these files: …
A: The default editor that comes with the UNIX operating system is called vi (visual editor). Using vi…
Q: Which Win32 function moves the file pointer to a specified offset in relation to the beginning of a…
A: Introduction: Here we are asked which Win32 function moves the file pointer to a specified offset in…
Q: Which of these is method for testing whether the specified element is a file or a directory O a…
A: The image is a bit unclear so I can't specify the answer option no. but the answer is isFile()
Q: In Linux, Find every file that contains at least two digits in “Folder3” & include subdirectorie
A: The, command has given below:
Q: Which of the following are valid file extensions for c++ source files? O.cC .c++ O.CPP .cpp
A: As per our company guidelines we are suppose to answer only one question. Kindly repost other…
Q: Assume you use a redirect to send the output from a command to a file. How do you control whether or…
A: File overwriting is a common issue when using redirect to output from command to a file.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 4. A file named abd.txt has the following set of permissions -rwxrwxrWX All the three operations i.e read, write and execute can be performed on the file by file owner, group owner and others. a) True b) False13. After you define a file pointer, you can connect that pointer to a file with fread () fopen ( ) fseek () fprintf ( ) a. b. С. d.9- Using sed command, we're able to quickly and easily find and replace a set of characters within a file. sed command uses extended regular expression to define the pattern that should be replaced. sed -i 's/original/new/g' file.txt Explanation: sed = Stream EDitor -i = in-place (i.e. save back to the original file) • The command string: s = the substitute command • original = a regular expression describing the word to replace (or just the word itself) new = the text to replace it with 3D g = global (i.e. replace all and not just the first occurrence) file.txt = the file name If we have a file named hello.txt, write a sequence of sed commands that replaces the following all occurrence of the word bad with the word good. b) all integer numbers by the word Zero hello.txt The description of the items 512 are good 90 are bad 44 are excellent 123 67 309
- Python script: Create a python script that will automate importing argument data from excel to test out an application. The python script needs to check that the file is .xslx extension and not empty. The python script will need to call multiple part file rest call for service to import data. The python script needs to accept an argument from a user for the file to be imported. Program needs to accept file from user as an absolute or relative path, or the name of the file if in same path directory.choose the correct ans : 1. What is use of eof() ?a. Returns true if a file open for reading has reached the next character.b. Returns true if a file open for reading has reached the next word.c. Returns true if a file open for reading has reached the end.d. Returns true if a file open for reading has reached the middle. 2.The mechanism of giving special meaning to an operator is called ____a. Objectb. Inheritancec. Function overloadingd. Operator Overloading 3) Local variables are stored in an area called ___________a) Heapb) Permanent storage areac) Free memoryd) Stack 4)Which of the following is/are valid ways to allocate memory for an integer by dynamic memory allocationin CPP?a. int *p = new int(100);b. int *p; p = new int; *p = 100;c. int *p = NULL; p = new int; *p=100;d. Only 1,2e. All of these 5)Choose the correct option? #include<iostream> using namespace std; class Base {}; class Derived: public Base {}; int main() { Base *bp = new Derived; Derived *dp = new Base; } a.…1. In an earlier assignment, you created a fileAsst directory containing several files. Give a command that will create a file named listing.dat, in your current (commandsAsst) directory, containing a list of the names of all the files in your fileAsst directory. The listing must not include dates, file sizes, or any information other than the names. 2. Someone has decided that the function sequentialInsert, declared in -cs252/Assignments/commandsAsst/project/arrayops.h, should be renamed orderedInsertion. Give a command to produce the altered version the header file, saving it as ~/UnixCourse/commandsAsst/arrayops.h (Something to think about: Why would the same approach not work well for changing the variable name i to i0?) 3. Sometimes programmers propose changes to an existing software definition and need to know what other code could be affected by the change. Suppose that you are a programmer who has proposed a change to the C/C++ data type known as "timespec". You know that there…
- Write a function named file_sum that takes as a parameter the name of a text file that contains a list of numbers, one to a line, like this: 23.77 116 94 -12.8 0 14.999 The function should sum the values in the file and write the sum (just that number) to a text file named sum.txt.A student wants to write into a file called myfile, without deleting its existing content. Which one of the following functions should he or she use? f = open('myfile', 'r') f = open('myfile', 'w+b') f = open('myfile', '+') f = open('myfile', 'a')97. In high level programs, the command which sets the pointer of file to the beginning of that file is classified as a. modify command b. open command c. locate command d. reset command
- When a Python program begins execution, it creates three standard file objects: ● sys.stdin–the standard input file object, ● sys.stdout–the standard output file object, and ● sys.stderr–the standard error file object. You must import the sys module if you need to refer to these objects explicitly in your code, but this is rare. Which of the following statements is false? Function print implicitly outputs to sys.stdout, which appears in the command line. The input function implicitly uses sys.stdin to get user input from the keyboard. Python implicitly outputs program errors and tracebacks to sys.stdout. Though these are considered file objects, they do not read from or write to files by default.Entry point for the application. Exactly zero or one command-line argume\nts are expected. * If a filename is given as an argument, then the program should print the\ contents of that * file to standard output. If a single dash (i.e., "-") is given as an arg\ument, then * the program should print the contents of standard input. * * @param args the command-line arguments */Please in C Language (CYBER SECURITY) Write a program that uses an existing text file (text.txt) to determine the number of occurrences of each letter. You can assume that the file is filled with only lowercase letters and only the letters from a-z are present! surfing is a type of social engineering attac Shoulder surfing does not involve Write the result in a new file to be created by the program! how people behave. Errors when opening and closing the files must be caught! rely on? his attack? Note that solutions that rely on