table.addCell("jdk", "default:false;alias:j;desc:jdk version");
table.addCell("disk.avail", "default:false;alias:d,disk,diskAvail;text-align:right;desc:available disk space");
table.addCell("heap.current", "default:false;alias:hc,heapCurrent;text-align:right;desc:used heap");
table.addCell("heap.percent", "alias:hp,heapPercent;text-align:right;desc:used heap ratio");
table.addCell("heap.max", "default:false;alias:hm,heapMax;text-align:right;desc:max configured heap");
table.addCell("ram.current", "default:false;alias:rc,ramCurrent;text-align:right;desc:used machine memory");
table.addCell("ram.percent", "alias:rp,ramPercent;text-align:right;desc:used machine memory ratio");
table.addCell("ram.max", "default:false;alias:rm,ramMax;text-align:right;desc:total machine memory");
table.addCell("file_desc.current", "default:false;alias:fdc,fileDescriptorCurrent;text-align:right;desc:used file descriptors");
table.addCell("file_desc.percent", "default:false;alias:fdp,fileDescriptorPercent;text-align:right;desc:used file descriptor ratio");
table.addCell("file_desc.max", "default:false;alias:fdm,fileDescriptorMax;text-align:right;desc:max file descriptors");