Difference between revisions of "Hdi2u S23"

From wiki
Jump to: navigation, search
(Created page with "= Environment Variables = * We have seen that the way commands run can be modified by the options passed on the command line. * One of the most important variables is PATH. T...")
 
(No difference)

Latest revision as of 23:38, 19 April 2017

Environment Variables

  • We have seen that the way commands run can be modified by the options passed on the command line.
  • One of the most important variables is PATH. Try
echo $PATH
  • This critical environment variable shows all the locations where commands that you can use are found.
  • If you want more commands, you need to add their locations to this environment variable