Posts

Showing posts with the label vi editor

Featured Post

15 Python Tips : How to Write Code Effectively

Image
 Here are some Python tips to keep in mind that will help you write clean, efficient, and bug-free code.     Python Tips for Effective Coding 1. Code Readability and PEP 8  Always aim for clean and readable code by following PEP 8 guidelines.  Use meaningful variable names, avoid excessively long lines (stick to 79 characters), and organize imports properly. 2. Use List Comprehensions List comprehensions are concise and often faster than regular for-loops. Example: squares = [x**2 for x in range(10)] instead of creating an empty list and appending each square value. 3. Take Advantage of Python’s Built-in Libraries  Libraries like itertools, collections, math, and datetime provide powerful functions and data structures that can simplify your code.   For example, collections.Counter can quickly count elements in a list, and itertools.chain can flatten nested lists. 4. Use enumerate Instead of Range     When you need both the index and the value in a loop, enumerate is a more Pyth

Vi Editor to Quit use Esc and Colon

Image
Here are vi editor commands you can use to quit from Vi editor with or without saving your work. These are useful to use in day-to-day work. w => To Save Your Work q => To Quit wq => To Save and Quit q! => To quit without saving vi editor also called Visual editor in terms of Unix or Linux or Ubuntu Operating systems. Since all are the same UNIX flavor, and UNIX is the mother of all these operating systems. Recently many of my friends asked to share some daily use vi editor commands . I am sharing those for your quick reference. 6 Top vi Editor Commands 1. How to Edit a file? vi filename This is the first command to use for editing a file. 2. A command to Repeat Previous Command? Use the  UP arrow to repeat the previous command. 3. How to Insert data? Use insert command to over-type data. 4. How to Save File? Press Esc then :w 5. How to Save and Quit (Exit)? Press Esc then :wq 6 How to quit without Save? Press Esc then :q!

vi Editor Top Commands for Ubuntu OS

Image
I have given VI editor commands to use in Ubuntu operating system. You can practice using them for your benefit and you can complete your work quickly. To begin changing or adding to text with vi, you can enter Insert or Replace modes, as shown in the following list. When you enter Insert or Replace mode, the characters you type will appear in the text document (as opposed to being interpreted as commands).  vi filename This is the first command to enter into editor mode. Once you enter into editor mode, you need to enter other commands to complete your editing work. Press the Esc key t o exit to Normal mode after you are done inserting or replacing text. List of VI Editor Commands.. i—Typed text appears before current character. a—Typed text appears after current character. o—Open a new line below current line to begin typing. s—Erase current character and replace with new text. c?—Replace ? with l, w, $, or c to change the current letter, word, end of line, or line. r—Repla