Introduction to basic symbols and regular symbols of the system
The basic symbols of the system ($,! , #,', ", >, 2 >, 2 > >, 2 >, 2 > >)
A, > standard output redirection symbol
B, > > standard output append redirection symbol
C, 2 > error output redirection symbol
D, 2 > > error output append redirection symbol
9. Less than the symbol (
