diff --git a/archivebox/logging_util.py b/archivebox/logging_util.py
index 2fbcbb35..0a41fe5f 100644
--- a/archivebox/logging_util.py
+++ b/archivebox/logging_util.py
@@ -3,6 +3,7 @@ __package__ = 'archivebox'
 import re
 import os
 import sys
+import stat
 import time
 import argparse
 from math import log
@@ -11,7 +12,7 @@ from pathlib import Path
 
 from datetime import datetime
 from dataclasses import dataclass
-from typing import Optional, List, Dict, Union, IO, TYPE_CHECKING
+from typing import Any, Optional, List, Dict, Union, IO, TYPE_CHECKING
 
 if TYPE_CHECKING:
     from .index.schema import Link, ArchiveResult
@@ -21,8 +22,10 @@ from .config import (
     ConfigDict,
     OUTPUT_DIR,
     PYTHON_ENCODING,
+    VERSION,
     ANSI,
     IS_TTY,
+    IN_DOCKER,
     TERM_WIDTH,
     SHOW_PROGRESS,
     SOURCES_DIR_NAME,
@@ -50,6 +53,32 @@ class RuntimeStats:
 _LAST_RUN_STATS = RuntimeStats()
 
 
+def debug_dict_summary(obj: Dict[Any, Any]) -> None:
+    stderr(' '.join(f'{key}={str(val).ljust(6)}' for key, val in obj.items()))
+
+
+def get_fd_info(fd) -> Dict[str, Any]:
+    NAME = fd.name[1:-1]
+    FILENO = fd.fileno()
+    MODE = os.fstat(FILENO).st_mode
+    IS_TTY = hasattr(fd, 'isatty') and fd.isatty()
+    IS_PIPE = stat.S_ISFIFO(MODE)
+    IS_FILE = stat.S_ISREG(MODE)
+    IS_TERMINAL =  not (IS_PIPE or IS_FILE)
+    IS_LINE_BUFFERED = fd.line_buffering
+    IS_READABLE = fd.readable()
+    return {key: val for key, val in locals().items() if val is not fd}
+    
+
+# # Log debug information about stdin, stdout, and stderr
+# sys.stdout.write('[>&1] this is python stdout\n')
+# sys.stderr.write('[>&2] this is python stderr\n')
+
+# debug_dict_summary(get_fd_info(sys.stdin))
+# debug_dict_summary(get_fd_info(sys.stdout))
+# debug_dict_summary(get_fd_info(sys.stderr))
+
+
 
 class SmartFormatter(argparse.HelpFormatter):
     """Patched formatter that prints newlines in argparse help strings"""
diff --git a/archivebox/main.py b/archivebox/main.py
index 8a823597..05c501c0 100644
--- a/archivebox/main.py
+++ b/archivebox/main.py
@@ -67,7 +67,9 @@ from .config import (
     ConfigDict,
     ANSI,
     IS_TTY,
+    DEBUG,
     IN_DOCKER,
+    SHOW_PROGRESS,
     USER,
     ARCHIVEBOX_BINARY,
     ONLY_NEW,
@@ -85,6 +87,7 @@ from .config import (
     SQL_INDEX_FILENAME,
     ROBOTS_TXT_FILENAME,
     FAVICON_FILENAME,
+    SEARCH_BACKEND_ENGINE,
     check_dependencies,
     check_data_folder,
     write_config_file,
@@ -220,9 +223,23 @@ def version(quiet: bool=False,
     if quiet:
         print(VERSION)
     else:
+        # ArchiveBox v0.5.6
+        # Cpython Linux Linux-4.19.121-linuxkit-x86_64-with-glibc2.28 x86_64 (in Docker) (in TTY)
         print('ArchiveBox v{}'.format(VERSION))
         p = platform.uname()
-        print(sys.implementation.name.title(), p.system, platform.platform(), p.machine, '(in Docker)' if IN_DOCKER else '(not in Docker)')
+        print(
+            sys.implementation.name.title(),
+            p.system,
+            platform.platform(),
+            p.machine,
+        )
+        print(
+            f'IN_DOCKER={IN_DOCKER}',
+            f'DEBUG={DEBUG}',
+            f'IS_TTY={IS_TTY}',
+            f'TZ={os.environ.get("TZ", "UTC")}',
+            f'SEARCH_BACKEND_ENGINE={SEARCH_BACKEND_ENGINE}',
+        )
         print()
 
         print('{white}[i] Dependency versions:{reset}'.format(**ANSI))