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Eelco Dolstra 2020-07-23 10:44:54 +02:00
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8
doc/manual/src/package-management/basic-package-mgmt.md
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@ -8,10 +8,10 @@ In Nix, different users can have different “views” on the set of
installed applications. That is, there might be lots of applications
present on the system (possibly in many different versions), but users
can have a specific selection of those active — where “active” just
means that it appears in a directory in the user’s PATH. Such a view on
the set of installed applications is called a *user environment*, which
is just a directory tree consisting of symlinks to the files of the
active applications.
means that it appears in a directory in the user’s `PATH`. Such a view
on the set of installed applications is called a *user environment*,
which is just a directory tree consisting of symlinks to the files of
the active applications.
Components are installed from a set of *Nix expressions* that tell Nix
how to build those packages, including, if necessary, their

8
doc/manual/src/package-management/profiles.md
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@ -24,9 +24,9 @@ Of course, you wouldn’t want to type
$ /nix/store/dpmvp969yhdq...-subversion-1.1.3/bin/svn
every time you want to run Subversion. Of course we could set up the
PATH environment variable to include the `bin` directory of every
`PATH` environment variable to include the `bin` directory of every
package we want to use, but this is not very convenient since changing
PATH doesn’t take effect for already existing processes. The solution
`PATH` doesn’t take effect for already existing processes. The solution
Nix uses is to create directory trees of symlinks to *activated*
packages. These are called *user environments* and they are packages
themselves (though automatically generated by `nix-env`), so they too
@ -89,9 +89,9 @@ also see all available generations:
$ nix-env --list-generations
You generally wouldn’t have `/nix/var/nix/profiles/some-profile/bin` in
your PATH. Rather, there is a symlink `~/.nix-profile` that points to
your `PATH`. Rather, there is a symlink `~/.nix-profile` that points to
your current profile. This means that you should put
`~/.nix-profile/bin` in your PATH (and indeed, that’s what the
`~/.nix-profile/bin` in your `PATH` (and indeed, that’s what the
initialisation script `/nix/etc/profile.d/nix.sh` does). This makes it
easier to switch to a different profile. You can do that using the
command `nix-env --switch-profile`: