Vim

Vim is a popular text editor used in the command line interface:

• i: Switch to insert mode, allowing you to insert text.
• Esc: Exit insert mode and return to command mode.
• :w: Write the current file to disk.
• :q: Quit Vim.
• :q!: Quit Vim without saving changes.
• :wq: Write the current file to disk and quit Vim.
• yy: Copy the current line.
• p: Paste the copied line.
• dd: Delete the current line.
• u: Undo the last change.
• Ctrl + r: Redo the last change.
• /search_term: Search for a specific term in the file.
• :s/old_text/new_text/g: Replace all occurrences of 'old_text' with 'new_text' globally in the file.