Sometimes their single package space is limited, just like no bigger than 10M for each document, in these conditions, we need split the big one into more pieces.
tar -czvf xxx.tar.gz file_directory
split -b 5M -d -a 1 xxx.tar.gz xxx.tar.gz. pay attention to the dot (.) at the end of the command.
//Use the split command. - b 5M means to set the size of each split package. The unit is k is working.
//The - d "parameter specifies that the generated packet splitting suffix is in the form of a number
//-A x to set the length of the sequence (the default value is 2), here the length of the sequence is set to 1