When you want to use SQL*Plus or exp/imp on the same server on which you have installed your database you might get errors like these: sqlplus: error while loading shared libraries: libsqlplus.so: cannot open shared object file: No such file or directory or Error 6 initializing SQL*Plus Message file sp1us.msb not found SP2-0750: You may … Continue reading Changed File-Permissions in Oracle 10g Release 2 (10.2.0.2)