shrc: Add new alias e=exec

shrc

@@ -354,6 +354,7 @@ alias mkdir="mkdir -v"
 alias rmdir="rmdir -v"
 alias psaux="ps auxww"
 alias modest="ionice -c 2 -n 7 nice -n 19"
+alias e=exec
 alias q=exit
 __safe_alias e3=e3em
 #alias dirs="dirs -v -l | \grep -v \$(printf '%s$' \$PWD)"