Fix: change fs_show to fs_list
To focus the information of specific files and directories.
just change function name
Fix: change fs_show to fs_ls
change the function name
Add: the new task to record the ps information during a period of time
the record fucntion is system_logger(void *pvParameters)
the record will be written in output/syslog
Add: create directory first in system_logger()
to avoid the directory does not exist
Fix: change romfs_show to romfs_list
change the function name
Fix: the test_command and ls_command
add the create directory first in the test_command
change fs_show to fs_list in ls_command