If you are writing software, never attempt something unfamiliar that may disrupt the service of other users. You are granted access as member of Dickson Street On-line. This means you may lose your shell priviliges and possible Dickson Street On-line membership as well, if your actions cause denial of service for other users. Each user is screened personally before being granted shell access. It is a trusting bond to allow users shell access to an internet server.
Some operations take up more processor cycles than others.
It is understood if you are compiling software, etc. However, you should not run software that taxes the server for long periods. You should never download unfamiliar software and compile or run it in your shell. Programs not specifically designed or modified for our system use may behave unpredictably and result in system damage.