Replace tab to space
Replace hardcode system call numbuer to predefined macro
Reorder strncmp position
Add integer to string function for further use
Add character return in print messages.
Fix error when translate number 0 to string in intToString()
Implement ps command. Currently use global variable.
Let prompt show up at beginning of readwrite task rather than after user
press enter
Merge branch 'master' of github.com:zzz0072/rtenv