___________ and _________ are two different ways to access data stored in a file.a. Sequence access, line by line accessb. Ordered access, random accessc. Random access, point to point accessd. Sequential access, direct access
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___________ and _________ are two different ways to access data stored in a file.
a. Sequence access, line by line access
b. Ordered access, random access
c. Random access, point to point access
d. Sequential access, direct access
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- 1)Create the directory “Project” & perform the following actions: a) Create the files ‘f1.txt’, ‘f2.txt’, ‘f3.txt’ and ‘f4.txt’ in it.b) Set the permission of ‘f1.txt’ to -rwx r-- r--, permission of ‘f2.txt’ to -w- r-x r—c) Combine the files f3 and f4 using the paste commandd) Show the use of cut command on any of the above files Linuxyou will need to create the following textbook specified files. Use vi to create these files: test-file1 test-file2 test-file3 test-g test-sor respected test-u west coast alpha1 alpha2 practice caffeine names.tmp numbers.tmp If you are using more to examine a file and decide you want to look back at the previous page, what do you enter?Which of the following operations should only be allowed to be done when the CPU is in kernel mode? Group of answer choices 1) Read data from a file 2) Open a file for reading, writing, or both 3) Set the time-of-day clock 4) Read the time-of-day clock A programmer opened a file using the file descriptor fd. The file contains the following sequence of bytes: 12, 14, 33, 33, 33, 12, 14, 1, 6, 33, 12, 14, 1, 6, 12 The programmer then uses these two system calls: lseek(fd, 3, SEEK_SET); read(fd, &buffer, 4); note, the lseek call makes a seek to byte 3 of the file. What does buffer contain after the read system call completes? Group of answer choices 1) 33 33 33 12 2) 33 33 12 14 3) 33 12 14 1 4) 33 12 14 In a uniprocessor system, multiprogramming increases processor efficiency by: Group of answer choices 1) All of the above 2) Increasing processor speed 3) Eliminating all idle processor cycles 4) Taking advantage of time wasted by long wait…
- Python script that uses the os module 1. Display the current working directory. 2. Create a new directory called "test_dir" in the current working directory. 3. Change the current working directory to "test_dir". 4. Verify the current working directory has been changed. 5. Create a new file named "test_file.txt" in "test_dir". a. You must write the following contents to test_file.txt: This is a test file. 6. Verify that "test_file.txt" was created by listing the contents of "test_dir". 7. Display the file size and the last modification time of "test_file.txt". 8. Change the name of "test_file.txt" to "new_test_file.txt". 9. Verify the name change by listing the contents of "test_dir" again. 10. Finally, remove "new_test_file.txt" and "test_dir", verifying each deletion by listing the contents of the parent directory.you will need to create the following textbook specified files. Use vi to create these files: test-file1 test-file2 test-file3 test-g test-sor respected test-u west coast alpha1 alpha2 practice caffeine names.tmp numbers.tmp What command creates a new file chapter consisting of the contents of the files section1, section2, section3, and section4, with all lines numbered?18.4 From a Windows command line prompt, do a dir command. Carefully note how much space remains on your disk. Now open up NOTEPAD, and create a new file containing just a period with a carriage return. Call this file PROB184.TXT and return to the prompt. Do a DIR PROB184.TXT command. How much space does your new file take up? How much space remains on your disk? Explain what happened.
- 1.Which of the following is true about a character device? * a)Operating on a character device does not go through Virtual File System b)A character device has a file in /dev directory c)All of the other options are true d)A character device allows read, write and seek operations 2.Which of the following options are true about the critical section (CS) problem? * a)Solution to CS must ensure mutual exclusion to shared data structures. b)Solution to CS must support bounded waiting, but not necessarily starvation c)Solution to CS must be free from deadlocks d)None of the other options are trueI still dont understand the addition of a new file breed.cc when there should only be 4 files. Main.cc, breed.h, pet.h, and pet.cc. How would I create a new file or even add it into an existing file of the 4 available.Write a brief answer to the following questions.A) The difference between copying and moving a file?B) Why might you want to create a shortcut?C) What is a a file path? Give an example illustrating each part of the file path.
- you will need to create the following textbook specified files. Use vi to create these files: test-file1 test-file2 test-file3 test-g test-sor respected test-u west coast alpha1 alpha2 practice caffeine names.tmp numbers.tmp What command tells grep to look for all lines consisting of only the letter Z followed by any four characters in a file filename?Write a program that performs the following operations according to the input value with Linux Bash Script. [1] Create a file for a given filename and list the generated file in a long format [2] Delete a file for a given filename [3] Copy a file content to another file [4] Listsubdirectories of a current directory recursively [5] Generate the command that finds how many times the "cat" command has been used in your command history so far. [6] Generate the command that writes the file names starting with W in the active directory to the "Files.txt" file. should be solved using Linux Bash Scripting solution code and one/two screenshots for running of program.181. A data dictionary is a special file that contains? a. The names of all fields in all files b. The data types of all fields in all files c. The widths of all fields in all files d. All of the mentioned