DPKG_ROOT
specifies the base path under which /etc/shells resides.
Add shells to the list of valid login shells
add-shell shellname
[shellname ...]
add-shell copies /etc/shells to /etc/shells.tmp, adds the given shells to this file if they are not already present, and copies this temporary file back to /etc/shells.
The shells must be provided by their full pathnames.
DPKG_ROOT
specifies the base path under which /etc/shells resides.
10 releases since Debian 4.0 (Etch); the text changed 4 times.