oracle@linux8 pfile]$ sqlplus / as sysdba
SQL*Plus: Release 21.0.0.0.0 - Production on Mon Nov 22 14:01:04 2021
Version 21.3.0.0.0
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Connected to an idle instance.

SQL> startup force pfile=’/u01/app/oracle/admin/orcl/pfile/init.ora.82420211441’
ORACLE instance started.