Shell special Symbol Cut command, sort_wc_uniq command, Tee_tr_split command

Note content:

L 8.10 Shell special symbol cut command

L 8.11 sort_wc_uniq command

L 8.12 tee_tr_split command

L 8.13 Shell special symbol

Note Date:2017.8.16

&& is the meaning, only the left command execution succeeds, the right side will execute, as long as the left command is not executed successfully, then the right command will not be executed:

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Shell special Symbol Cut command, sort_wc_uniq command, Tee_tr_split command