現象 -bash-3.00$ id uid=501(oracle) gid=501(oinstall) -bash-3.00$ cp -pi /usr/lib/32/libc.so /home/oracle/ -bash-3.00$ vi /home/oracle/.bash_profile export LD_PRELOAD_32=/home/oracle/libc.so -bash-3.00$ source .bash_profile -bash-3.00$ su …