Show not full or garbled, Dos2unix and modify the system character set method does not work how to do

Scenario: Text files under Windows are uploaded to Linux to perform cat when not displayed or garbled, whether to modify the character set of the SSH client software or modify the system character set or the Dos2unix conversion does not work, how to do?

Problem ①:rz after uploading cat, Dos2unix or cat is not

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Problem ②:rz After uploading cat display is not complete, garbled, Dos2unix or cat or display is not full, garbled

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Solution:

[Email protected] ~]# iconv-f gb2312 old.txt-o new.txt

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Show not full or garbled, Dos2unix and modify the system character set method does not work how to do