# Changes

,  23 May
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Only Terminal windows that are opened afterwards will have access to the CCP4 programs!

Only Terminal windows that are opened afterwards will have access to the CCP4 programs!
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Become familiar with the concept and ways to run commands as "root" - google "mac osx become root". All the installation tasks that are run in a Terminal window require root privileges, since some of the programs and their links are written to /usr/local/bin. (As an alternative that does not require root for installation, one may create a directory $HOME/bin and use that for the programs and links. That would also require modification of the$PATH, by a one-time <code>echo 'export PATH=$PATH:$HOME/bin' >> ~/.profile</code>)
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Become familiar with the concept and ways to run commands as "root" - google "mac osx become root". All the installation tasks that are run in a Terminal window require root privileges, since some of the programs and their links are written to /usr/local/bin. (As an alternative that does not require root for installation, one may create a directory $HOME/bin and use that for the programs and links. That would also require modification of the$PATH, by a one-time <code>echo 'export PATH=$PATH:$HOME/bin' >> ~/.profile; echo 'export PATH=$PATH:$HOME/bin' >> ~/.zprofile</code>)

So, prepare the following steps by opening the Terminal window, and then

So, prepare the following steps by opening the Terminal window, and then
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