How to zip multiple files into one zip file.

Using zip.

<pre lang="bash">
zip test.zip *.txt

Using tar.

<pre lang="bash">
tar cvzf test.tar.gz *.txt

Untar in current directory or specify another directory.

<pre lang="bash">
tar xvzf test.tar.gz .
tar xvzf test.tar.gz -C /path/to/dir