https://stuff.mit.edu/afs/athena/system/pmax_ul4/srvd.74/usr/sipb/src/editline/?C=M;O=A
Index of /afs/athena/system/pmax_ul4/srvd.74/usr/sipb/src/editline
https://stuff.mit.edu/afs/athena/system/pmax_ul4/srvd.74/usr/sipb/src/editline/?C=N;O=D
Index of /afs/athena/system/pmax_ul4/srvd.74/usr/sipb/src/editline
https://manpages.ubuntu.com/manpages/questing/man5/editrc.5edit.html
Ubuntu Manpage: editrc - configuration file for editline library
configuration file for editline library
configuration fileubuntumanpagelibrary