Text Editor (tex) ./tex <filename>: This is the command to open a file with the text editor. Replace <filename> with the actual name of the file you wish to edit. Navigation and Editing Keys: ctrl-a: Go to start of line ctrl-e: Go to end of line ctrl-k: Cut (kill) line ctrl-l: Re-center screen vertically and refresh the display. ctrl-n: Go to next line (alternative: arrow down) ctrl-p: Go to previous line (alternative: arrow up) ctrl-q: Quoted insert - insert character as-is ctrl-s: search ctrl-y: Yank line ctrl-z: Suspend File Management Keys: ctrl-x ctrl-s: Save ctrl-x ctrl-c: Exit Syntax Highlighting Support: The editor supports syntax highlighting for programming languages such as C, C++, and Python, based on the file extension (e.g., .c, .cpp, .py). Screenshots