syntax error: commands are missing between `if' and `then'
syntax error: commands are missing between `(' and `)'
syntax error: `!' cannot be used as a command name
syntax error: `;;' is used outside `case'
syntax error: a command is missing before `&'
alias: `--no-such-option' is not a valid option
alias: no such alias `alias'
unalias: `--no-such-option' is not a valid option
unalias: no operand is expected
unalias: this command requires an operand
unalias: no such alias `alias'
