НЕ ХОЧЕТ ОН. А. МЕНЯТЬ БАРОНА НА МЕНЯ
# (i.e. the shell you specify does not exist or crashes), many things
# may fail to work. Caveat User.

export USER=mike
export GROUP=NIRS
export SHELL=/home/config/bin/tcsh

$ source ~/config/boot/UserSetupEnvironment
$ source boot/home/config/boot/UserSetupEnvironment
sh: boot/home/config/boot/UserSetupEnvironment: No such file or directory
$ source boot/home/config/boot/UserSetupEnvironment.