deletions | additions       diff --git a/General Notes on Bioinformatics.md b/General Notes on Bioinformatics.md  index f16b224..d29dfe2 100644  --- a/General Notes on Bioinformatics.md  +++ b/General Notes on Bioinformatics.md 
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$ **cd directory_name** use to move to that directory  $ **cd ~ ** ~**  use to move to the home directory $ **grep file_name**