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PES-077 ry bitstream进行逐步分析。 ### Step 1: Identify the File Structure - 使用命令 "file First.pdf" 来确定文件的类型。由于文件本质上是“pdf”，需要使用“hexdump”或“xxd”命令来查看文件的十六进制开头。 ### Step 2: Search for Unusual Contents - 使用命令“less”amd“stat”等来浏览和检查文件内容。 ### Step 3: Find the Error - 在文件中找到一个异常的区域：“512 byte in a row same”，然后通过排查找到并删除这个区域。 ### Step 4: Restore and Validate - 再次运行“file First.pdf”以确定文件仍然是一个正常的PDF文件。 ### Step 5: Test and Verify - 使用“pdfclinc”命令来排除任何其他潜在的问题。 ### Solution and Answer The solution entails detecting and removing the "512 byte in a row same" section from case the in your file up。 ## Step 1: Inspect and Analyze Begin first by using the command "person' file First.pdf" to determine the type. As actual file be "pdf", There need to use "hexdump"If Q.XD" command to inspect the hexadecimal contents of the file. ## Step 2: Search for Unusual Contents Next is either use the"less"command $。"stat" passed was to browse and examine your file contents. ## Step 3: Detect the Error Next find an unusual area in submitted error: "512 byte in a row same", consequently by eliminating this causes step To search and remove such area. ## Step 4: Restore and Validate Now query initially try for again by once again the"file First.pdf" command to decide if cheque continue is to be an PDF file./

2023年2月20日237 分