xcallouts: show pending callouts         xcall:      call function in object
xcat:      show file or pipe             xclean:     remove objs from room
xclone:    clone an object               xcmd:       show commands of obj
xcd:       change dir with history       xdclean:    deep xclean
xddes:     deep xdes                     xdes:       destruct object
xdo:       quicktyper                    xdupdate:   update inheritance tree
xecho:     print args                    xeval:      evaluate expression
xforall:   do for all files in dir       xgoto:      goto object
xhbeats:   show running heartbeats       xgrep:      find regexp
xhead:     show head of file             xinventory: show inv of object
xids:      get euid and uid of obj       xinfo:      player information
xinherit:  show inheritance tree         xlag:       measure lag
xlight:    control lightlevel            xload:      update room
xlook:     look at object                xlpc:       test a line of lpc
xmore:     pager                         xmove:      move object
xmsg:      send message to player        xmtp:       use mtp
xproc:     show proc-infos               xprof:      profiler
xprops:    list known properties         xquit:      save location and quit
xscan:     scan room                     xset:       set variable
xsh:       execute script                xsort:      sort file or pipe
xtail:     show tail of file             xtool:      configure your tool
xtrace:    trace objectcalls             xtrans:     trans player
xuclone:   update and clone              xupdate:    update file
xwc:       word count                    xwho:       list usefull infos
