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docs: Document $hostname

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Fixes #5469.

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(cherry picked from commit 72c0213d42b77b2f01223b5515669840110ea9b9)
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Fabian Homborg 2019-01-03 11:47:32 +01:00 committed by David Adam
parent 8ff8124765
commit 3855608c69
1 changed files with 2 additions and 0 deletions
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doc_src/index.hdr.in
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@ -931,6 +931,8 @@ The user can change the settings of `fish` by changing the values of certain var
- `HOME`, the user's home directory. This variable can be changed by the user.
- `hostname`, the machine's hostname.
- `IFS`, the internal field separator that is used for word splitting with the <a href="commands.html#read">read builtin</a>. Setting this to the empty string will also disable line splitting in <a href="#expand-command-substitution">command substitution</a>. This variable can be changed by the user.
- `PWD`, the current working directory.