ADD-SHELL(8)ADD-SHELL(8)NAMEadd-shell - add shells to the list of valid login shells
SYNOPSISadd-shell shellname [shellname...]
DESCRIPTIONadd-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.
12 May 2011 ADD-SHELL(8)