| name | use | description | internal Links | Official Documentation |
|---|---|---|---|---|
| fmt | format | used normally for printing to output | Package fmt | |
| os | operating system | used for filesystem operations | Package os | |
| io/ioutil | input output | used to read a file | Reading A File | Package ioutil |
| io | basic I/O | basic interfaces to I/O primitives | Package io | |
| regexp | Regular Expressions | Regular Expressions | Package regexp |
For imformation on a package you can use the go doc command.
go doc packageName