diff --git a/profile.d/conf.sh b/profile.d/conf.sh
index f6c628f..5b77da7 100755
--- a/profile.d/conf.sh
+++ b/profile.d/conf.sh
@@ -156,13 +156,18 @@ export -f conf_save
 #
 # Usage: conf_dump [options] [pattern]
 #   -s, --section NAME  : Only display the given section
+#   -a, --all           : Also show commented-out keys (default values, in white)
 #   pattern             : Only display keys whose name contains this substring
+#
+# Output colours:
+#   green  — key is explicitly set (uncommented) in the config file
+#   white  — key is present but commented out (shows the default value)
 conf_dump()
 {
-    local section="" key_pattern=""
+    local section="" key_pattern="" show_all=0
 
     local PARSED
-    PARSED=$(getopt -o hs: --long help,section: -n 'conf_dump' -- "$@")
+    PARSED=$(getopt -o hs:a --long help,section:,all -n 'conf_dump' -- "$@")
     # shellcheck disable=SC2181
     if [[ $? -ne 0 ]]; then
         disp E "Invalid options, use \"conf_dump --help\" to display usage."
@@ -177,15 +182,23 @@ conf_dump()
                 printf "Usage: conf_dump [options] [pattern]\n\n"
                 printf "Options:\n"
                 printf "\t-h, --help\t\tDisplay this help screen\n"
-                printf "\t-s, --section NAME\tOnly display the given section\n\n"
+                printf "\t-s, --section NAME\tOnly display the given section\n"
+                printf "\t-a, --all\t\tAlso show commented-out keys (default values)\n\n"
                 printf "Arguments:\n"
-                printf "\tpattern\tOnly display keys whose name contains this substring\n"
+                printf "\tpattern\tOnly display keys whose name contains this substring\n\n"
+                printf "Output colours:\n"
+                printf "\t\033[1;32mgreen\033[0m  — key is explicitly set (active)\n"
+                printf "\t\033[1;97mwhite\033[0m  — key is commented out (default value)\n"
                 return 0
                 ;;
             -s|--section)
                 section="$2"
                 shift 2
                 ;;
+            -a|--all)
+                show_all=1
+                shift
+                ;;
             --)
                 shift
                 break
@@ -209,51 +222,77 @@ conf_dump()
 
     # Colours are passed via ENVIRON to avoid awk -v escape interpretation.
     _CONF_DUMP_SEC="${Blue:-}" \
-    _CONF_DUMP_KEY="${BIWhite:-}" \
+    _CONF_DUMP_KEY_ACTIVE="${BGreen:-}" \
+    _CONF_DUMP_KEY_DEFAULT="${BIWhite:-}" \
     _CONF_DUMP_RST="${RESETCOL:-}" \
-    awk -v sec_filter="$section" -v key_filter="$key_pattern" '
+    awk -v sec_filter="$section" -v key_filter="$key_pattern" -v show_all="$show_all" '
         BEGIN {
-            c_sec = ENVIRON["_CONF_DUMP_SEC"]
-            c_key = ENVIRON["_CONF_DUMP_KEY"]
-            c_rst = ENVIRON["_CONF_DUMP_RST"]
+            c_sec     = ENVIRON["_CONF_DUMP_SEC"]
+            c_active  = ENVIRON["_CONF_DUMP_KEY_ACTIVE"]
+            c_default = ENVIRON["_CONF_DUMP_KEY_DEFAULT"]
+            c_rst     = ENVIRON["_CONF_DUMP_RST"]
             # Shell colour vars contain literal \e[…m strings; convert to
             # the actual ESC byte so awk print emits real ANSI sequences.
             gsub(/\\e/, "\033", c_sec)
-            gsub(/\\e/, "\033", c_key)
+            gsub(/\\e/, "\033", c_active)
+            gsub(/\\e/, "\033", c_default)
             gsub(/\\e/, "\033", c_rst)
-            in_target  = 0
+            in_target   = 0
             current_sec = ""
             hdr_printed = 0
             found       = 0
+            # seen[sec:key] — tracks every key already printed to deduplicate
+            # commented entries and avoid re-showing an active key in white.
         }
 
         {
             sub(/\r$/, "")
 
+            # Section header
             if ($0 ~ /^\[[^]]+\][[:space:]]*$/) {
                 current_sec = $0
-                sub(/^\[/, "",              current_sec)
-                sub(/\][[:space:]]*$/, "",  current_sec)
+                sub(/^\[/, "",             current_sec)
+                sub(/\][[:space:]]*$/, "", current_sec)
                 in_target   = (sec_filter == "" || current_sec == sec_filter)
                 hdr_printed = 0
                 next
             }
 
             if (!in_target) next
-            if ($0 !~ /^[[:space:]]*[A-Za-z_][A-Za-z0-9_]*[[:space:]]*=/) next
 
-            key = $0; sub(/[[:space:]]*=.*$/, "", key); sub(/^[[:space:]]*/, "", key)
-            val = $0; sub(/^[^=]*=/, "", val)
-
-            if (key_filter != "" && index(key, key_filter) == 0) next
-
-            if (!hdr_printed) {
-                if (found) print ""
-                print c_sec "[" current_sec "]" c_rst
-                hdr_printed = 1
-                found = 1
+            # Active (uncommented) key=value — always shown
+            if ($0 ~ /^[[:space:]]*[A-Za-z_][A-Za-z0-9_]*[[:space:]]*=/) {
+                key = $0; sub(/[[:space:]]*=.*$/, "", key); sub(/^[[:space:]]*/, "", key)
+                val = $0; sub(/^[^=]*=/, "", val)
+                if (key_filter != "" && index(key, key_filter) == 0) next
+                if (!hdr_printed) {
+                    if (found) print ""
+                    print c_sec "[" current_sec "]" c_rst
+                    hdr_printed = 1; found = 1
+                }
+                seen[current_sec ":" key] = 1
+                print "  " c_active key c_rst "=" val
+                next
+            }
+
+            # Commented-out key=value — shown only with show_all.
+            # The value displayed is the live environment value (what load_conf
+            # actually exported), not the commented-out text which may be an
+            # example or stale documentation.  Each key is shown at most once.
+            if (show_all && $0 ~ /^[[:space:]]*#[[:space:]]*[A-Za-z_][A-Za-z0-9_]*[[:space:]]*=/) {
+                line = $0; sub(/^[[:space:]]*#[[:space:]]*/, "", line)
+                key = line; sub(/[[:space:]]*=.*$/, "", key); sub(/^[[:space:]]*/, "", key)
+                if (seen[current_sec ":" key]) next
+                seen[current_sec ":" key] = 1
+                if (key_filter != "" && index(key, key_filter) == 0) next
+                val = ENVIRON[key]
+                if (!hdr_printed) {
+                    if (found) print ""
+                    print c_sec "[" current_sec "]" c_rst
+                    hdr_printed = 1; found = 1
+                }
+                print "  " c_default key c_rst "=" val
             }
-            print "  " c_key key c_rst "=" val
         }
     ' "$conf_file"
 }