diff --git a/linux-l/21231406.docx b/linux-l/21231406.docx new file mode 100644 index 0000000000000000000000000000000000000000..4c8b3174a67a57adb3ee3e4c59c17db2a38d8fb3 Binary files /dev/null and b/linux-l/21231406.docx differ