args += " --sort=user"
pager = os.environ.get("PAGER", "more")
+# if pager is 'less', option '-S' must be passed to it
+if pager == 'less':
+ less = os.environ.get("LESS") or ''
+ opt = 'S'
+ if opt not in less:
+ less = opt + less
+ os.environ["LESS"] = less
os.system("ps %s | %s" % (args, pager))