Create working Unix syntax commands for the following and answer the questions below.
Answer the following simple questions.
List at least four commonly used shells.
How would you start editing the file first-file using the pico (or nano) editor?
pico first-file (nano first-file)
The pico/nano command that will
Name two other common Unix text editors besides pico/nano
Create working Unix syntax commands for the following and answer the questions below. Answer the following...
Execute the following UNIX commands and paste the results in a text editor like Microsoft Word Create a directory using “mkdir” and name the directory “test” Change directory to test In the test directory, create a file using nano and name the file “NewDoc.c” Use “cd ..” Execute “ls” Create a file “temp.c” using nano Delete “temp.c” using the “rm” command. Execute each command in the question, copy and paste the result from the terminal window into Microsoft word or...
JAVA DATA STRUCTURES
Write a line-based text editor. The command syntax is similar to
the Unix line editor ed. The internal copy of the file is
maintained as a linked list of lines. To be able to go up and down
in the file, you have to maintain a doubly linked list. Most
commands are represented by a one-character string. Some are two
characters and require an argument (or two). Support the commands
shown below:
Command Function Go to the...
Unix questions, i need help on Hint: Commands to study to answer this question: predefined shell variables, and .profile script file, echo SHELL, HOME, PATH, MAIL and TERM are predefined shell variables. You can use the value of a shell variable in a shell command putting $ in front of it. For example, to display the value of the HOME directory of the user, specify $HOME in the echo command like echo $HOME. Do not give just the value of...
QUESTION 1 What will be the output of following Unix command: find / -name ‘*’ A. List all files and directories recursively starting from / B. List a file names * in / C. List all files in / directory D. List all files and directories in / directory QUESTION 2 Which command is used to extract a column/field from a text file / input. A. paste B. get C. cut D. tar QUESTION 3 Which command creates an empty...
Vim and Unix Questions In a vim window, how do you set a tab to be two spaces wide? In a vim window, how do you, with a simple and single command, move the cursor to 5 lines below (don’t worry about the actual number of lines) and do nothing else? In a vim window, how do you, with a simple and single command, assuming your cursor is at the beginning of the word, delete the current word and do...
19. UNIX/Linux normally include two editors: vi and (choose the single best answer). 20. You can use thecommand to create empty a create b. make c touch d mu 21. Which command can be used to leave vi temporarily to access the command line? 22 If you execute the contents of filel are sorted and the results are stored in file2. a sort file1 -ofile2 b. sort file1 >file2 c sort filel -d file2 d sort filel filez field or...
LINUX QUESTIONS (dont have to display output, I will be running these commands myself to check the output) Display the command(s) used to do the following: create an empty file called history by using just a redirection operator. Verify and show. Show/verify all results (i.e., all commands and their corresponding outputs). Wait 1 minute or more and then display the command(s) used to do the following: change the timestamp on the history file you just created. Verify/display the change. Show/verify...
Hello all, I have a c++/unix (bash) question.
I am struggling on starting this assignment. If you could start the
assignment and tell me how to do the rest it would be greatly
appreciated!
(Quick thumbs up answer response if thorough and correct)
Maintain automobile records in a database Write a shell script to
create, view and modify a simple database that contains automobile
records. The shell script has to be done in Bourne shell syntax
(bash as a matter...
Completion is a screenshot of the batch file showing all
of the steps to create the file system shown below.
Instructions Create a batch file clifilesystem.cmd using Notepad which performs the following steps to create the file system shown below. Also use a proper comment for each step before the command. Proof your work. Finally submit the clifilesystem.cmd file in Blackboard Figure 1. The clijfilesystem.cmd file system Work from Desktop unless using an absolute path Desktop NOS110 OS Labs Homework...
Writing Unix Utilities in C (not C++ or C#) my-cat The program my-cat is a simple program. Generally, it reads a file as specified by the user and prints its contents. A typical usage is as follows, in which the user wants to see the contents of my-cat.c, and thus types: prompt> ./my-cat my-cat.c #include <stdio.h> ... As shown, my-cat reads the file my-cat.c and prints out its contents. The "./" before the my-cat above is a UNIX thing; it...