Linux commands

# delete the 23rd line from ACCOUNT_LOG.sql and save, and create a backup file named ACCOUNT_LOG.sql.bak
# it takes about 20 seconds to update a file with 2Gb
sed -i.bak -e '23d' ACCOUNT_LOG.sql

# delete the 23rd line from ACCOUNT_LOG.sql and save, and create a backup file named ACCOUNT_LOG.sql.bak # it takes about 20 seconds to update a file with 2Gb sed -i.bak -e '23d' ACCOUNT_LOG.sql