Which of the following characters is NOT allowed
Which of the following characters is NOT allowed in a filename when renaming in Windows?
विडोंज में रिनेम करते समय फ़ाइल के नाम में निम्नलिखित में से किस कैरेक्टर की अनुमति नहीं है?
Detailed Solution & Logic
? (question mark)/ ? (प्रश्न - चिह्न)
🖥️ Explanation
In Windows, some special characters are not allowed in file or folder names because they are reserved for system functions.
Let’s analyze the options:
✔ - (Hyphen) → Allowed in filenames.
✔ _ (Underscore) → Allowed in filenames.
❌ ? (Question mark) → Not allowed, because Windows uses it as a wildcard character representing a single unknown character.
✔ # (Hash) → Allowed in filenames.
👉 Therefore, the question mark (?) cannot be used while renaming a file.
💻 व्याख्या
Windows में कुछ विशेष कैरेक्टर फ़ाइल या फ़ोल्डर के नाम में उपयोग करने की अनुमति नहीं होती क्योंकि वे सिस्टम द्वारा विशेष कार्यों के लिए आरक्षित (reserved) होते हैं।
अब विकल्प देखें:
✔ - (हाइफ़न) → फ़ाइल नाम में उपयोग किया जा सकता है।
✔ _ (अंडरस्कोर) → उपयोग किया जा सकता है।
❌ ? (प्रश्न-चिह्न) → उपयोग नहीं किया जा सकता, क्योंकि Windows इसे wildcard character के रूप में इस्तेमाल करता है।
✔ # (हैश) → उपयोग किया जा सकता है।
👉 इसलिए सही उत्तर ? (Question mark) है।
⭐ Extra Facts (Exam Important)
🚫 Windows में ये characters filename में allowed नहीं होते:
\ / : * ? " < > |
🔹 * और ? wildcard characters कहलाते हैं।
🔹 File name की अधिकतम लंबाई सामान्यतः 255 characters होती है।
🔹 Extension (जैसे .txt, .docx) फ़ाइल के प्रकार को बताता है।
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