MSQL backup on linux

/opt/mssql-tools/bin/sqlcmd -S localhost -U SA -Q “BACKUP DATABASE [MYDATABASE_DEV] TO DISK = N’/var/opt/mssql/data/MYDATABASE-20180615.bak’ WITH NOFORMAT, NOINIT, NAME = ‘MYDATABASE_STD50_DEV’, SKIP, NOREWIND, NOUNLOAD, STATS = 10”