Good Housekeeping

To see what variables you have created in the current session, type

objects()
[1]   "colour.factor"    "colours"       "dates"     "index"
[5]   "last.warning"     "nbnumbers"     "nbtable"   "nums"
[9]   "wanted"           "x"             "xmat"      "xv"

To see which libraries and dataframes are attached:

search()
 [1]  ".GlobalEnv"          "nums"             "nums"
 [4]  "package:methods"     "package:stats"    "package:graphics"
 [7]  "package:grDevices"   "package:utils"    "package:data sets"
[10]  "Autoloads"           "package:base"

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