Here is a list of the major specification changes from FSSTND 1.1 to FSSTND 1.2. Since this is a simplification, it's a good idea to check out the standard document itself if one of these changes concerns you or your software. * /bin: tcsh may be in /bin/tcsh or /usr/bin/tcsh. (It was previously implied that /bin/tcsh was not compliant.) * /dev: the Linux device registrar is now H. Peter Anvin , see the up-to-date device list at ftp.yggdrasil.com in /pub/device-list. * /etc: subdirectories of /etc/X11 for each window manager are no longer required. * /lib: /lib may contain miscellaneous shared libraries for binaries required in /bin or /sbin. (As was the case before, but it's spelled-out now.) * /lib: /lib/modules is included, but not fully specified. * /sbin: `ctrlaltdel' is optional. * /usr: clarify that /usr/X386 is X11R5 on i386, /usr/X11R6 is X11R6 on any Linux system. * /usr/include: /usr/include/g++ is now required. * /var/adm is obsolete. lastlog is now in /var/log/lastlog. wtmp is now in /var/log/utmp. utmp is now in /var/run/utmp. Transitional symbolic links: /var/adm to /var/log, /var/log/utmp to /var/run/utmp. * /var/catman: /usr/man/cat[1-9] is for preformatted (i.e., on a CD-ROM) manual pages. /var/catman remains a writable cache of formatted manual pages. * /var/named has been clarified, especially in relationship to /etc/named.boot.