1. parsing quotes, pipe, redirection, semicolon; 2. builtins --> only works as functions ==>need to implement functions 3. else --> process (executive files for example /bin/~) ==>need environment variable like PATH or PWD ...etc. 4. pipe, redirection, semicolon; $? ctrl-C, ctrl-D and ctrl-\ s Environment variables 5. debug
parsing
quotes, pipe, redirection, semicolon;
builtins --> only works as functions
==>need to implement functions
else --> process (executive files for example /bin/~)
==>need environment variable like PATH or PWD ...etc.
pipe, redirection, semicolon;
$?
ctrl-C, ctrl-D and ctrl-\ s
Environment variables
debug