When start a KDE session and it restarts the processes that I had in the
previous session, it does not use exec and, as a result, I have bunch of
tcsh's running that don't really have to be there:

nogin      967  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.12 -icon display.xpm
nogin      970  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.13 -icon display.xpm
nogin      995  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.14
nogin      999  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.20 -icon kvt.xpm
nogin     1006  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.21
nogin     1011  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kvt -restore kvtrc.22
nogin     1025  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kmoon
nogin     1033  0.0  0.1  1996  280 ?        S    May24   0:00 /bin/tcsh -c
kpmdocked