My emacs config (init.el)

init.el

@@ -0,0 +1,149 @@
+;; Initial window and default window
+(setq inhibit-startup-screen t)
+
+(setq default-frame-alist
+      (if (display-graphic-p)
+          '((tool-bar-lines . 0)
+            (background-color . "honeydew")
+            (width . 155)
+            (height . 46))
+	'((tool-bar-lines . 0))))
+
+;; Package signature check disable
+(setq package-check-signature nil)
+
+;; User interface
+(when (version<= "26.0.50" emacs-version )
+  (global-display-line-numbers-mode))
+
+(set-face-attribute 'default nil :font "Source Code Pro" :height 125)
+;;(load-theme 'atom-one-dark)
+(column-number-mode 1)
+(blink-cursor-mode 0)
+(setq use-dialog-box nil)
+(setq visible-bell t)
+
+(progn
+  ;; minibuffer setup
+  (setq enable-recursive-minibuffers t)
+  (savehist-mode 0)
+  ;; big minibuffer height, for ido to show choices vertically
+  (setq max-mini-window-height 0.5)
+  ;; minibuffer, stop cursor going into prompt
+  (customize-set-variable
+   'minibuffer-prompt-properties
+   (quote (read-only t cursor-intangible t face minibuffer-prompt))))
+
+(if (version< emacs-version "28.1")
+    (progn
+      (progn
+        ;; make buffer switch command do suggestions, also for find-file command
+        (require 'ido)
+        (ido-mode 1)
+        ;; show choices vertically
+        (setf (nth 2 ido-decorations) "\n")
+        ;; show any name that has the chars you typed
+        (setq ido-enable-flex-matching t)
+        ;; use current pane for newly opened file
+        (setq ido-default-file-method 'selected-window)
+        ;; use current pane for newly switched buffer
+        (setq ido-default-buffer-method 'selected-window)
+        )
+      (progn
+        ;; minibuffer enhanced completion icomplete
+        (require 'icomplete)
+        (icomplete-mode 1)
+        ;; show choices vertically
+        (setq icomplete-separator "\n")
+        (setq icomplete-hide-common-prefix nil)
+        (setq icomplete-in-buffer t)
+        (define-key icomplete-minibuffer-map (kbd "<right>") 'icomplete-forward-completions)
+        (define-key icomplete-minibuffer-map (kbd "<left>") 'icomplete-backward-completions)))
+  (fido-vertical-mode 1))
+
+;;; Editing related
+
+;; Make typing delete/overwr_ites selected text
+(delete-selection-mode 1)
+
+;; Set highlighting brackets
+(show-paren-mode 1)
+(setq show-paren-style 'parenthesis)
+
+(setq save-interprogram-paste-before-kill t)
+(setq x-select-enable-clipboard-manager nil)
+
+(setq hippie-expand-try-functions-list
+      '(
+        try-expand-dabbrev
+        try-expand-dabbrev-all-buffers
+        ;; try-expand-dabbrev-from-kill
+        try-complete-lisp-symbol-partially
+        try-complete-lisp-symbol
+        try-complete-file-name-partially
+        try-complete-file-name
+        ;; try-expand-all-abbrevs
+        ;; try-expand-list
+        ;; try-expand-line
+        ))
+
+;; Use short answer
+(if (version< emacs-version "28.1")
+    (defalias 'yes-or-no-p 'y-or-n-p)
+  (setq use-short-answers t))
+
+(global-set-key (kbd "<f2>") 'xah-cut-line-or-region) ; cut
+(global-set-key (kbd "<f3>") 'xah-copy-line-or-region) ; copy
+(global-set-key (kbd "<f4>") 'yank) ; paste
+
+(defun xah-copy-line-or-region ()
+  "Copy current line or selection.
+When called repeatedly, append copy subsequent lines.
+When `universal-argument' is called first, copy whole buffer (respects `narrow-to-region').
+
+URL `http://xahlee.info/emacs/emacs/emacs_copy_cut_current_line.html'
+Version: 2010-05-21 2022-10-03"
+  (interactive)
+  (let ((inhibit-field-text-motion nil))
+    (if current-prefix-arg
+        (progn
+          (copy-region-as-kill (point-min) (point-max)))
+      (if (region-active-p)
+          (progn
+            (copy-region-as-kill (region-beginning) (region-end)))
+        (if (eq last-command this-command)
+            (if (eobp)
+                (progn )
+              (progn
+                (kill-append "\n" nil)
+                (kill-append
+                 (buffer-substring-no-properties (line-beginning-position) (line-end-position))
+                 nil)
+                (progn
+                  (end-of-line)
+                  (forward-char))))
+          (if (eobp)
+              (if (eq (char-before) 10 )
+                  (progn )
+                (progn
+                  (copy-region-as-kill (line-beginning-position) (line-end-position))
+                  (end-of-line)))
+            (progn
+              (copy-region-as-kill (line-beginning-position) (line-end-position))
+              (end-of-line)
+              (forward-char))))))))
+
+(defun xah-cut-line-or-region ()
+  "Cut current line or selection.
+When `universal-argument' is called first, cut whole buffer (respects `narrow-to-region').
+
+URL `http://xahlee.info/emacs/emacs/emacs_copy_cut_current_line.html'
+Version: 2010-05-21 2015-06-10"
+  (interactive)
+  (if current-prefix-arg
+      (progn ; not using kill-region because we don't want to include previous kill
+        (kill-new (buffer-string))
+        (delete-region (point-min) (point-max)))
+    (progn (if (region-active-p)
+               (kill-region (region-beginning) (region-end) t)
+             (kill-region (line-beginning-position) (line-beginning-position 2))))))