/usr Directory

The SunOS release 5.7 /usr directory contains sharable files and executables provided by the system. Table 9-10 describes the subdirectories that have been added to the SunOS release 5.7 /usr directory.

Table 9-10 Additions to the /usr Directory

Subdirectory	Description
/usr/ccs	C compilation systems
/usr/snadm	Executables and other files used by admintool

Table 9-11 shows files that were in the SunOS release 4.x /usr directory but have been moved in the SunOS release 5.7 software.

Table 9-11 Files Changed in the /usr Directory

SunOS release 4.x Location	SunOS release 5.7 Location
/usr/5bin	/usr/bin
/usr/5include	/usr/include
/usr/5lib	/usr/lib
/usr/etc	/usr/sbin
/usr/old	Contents removed
/usr/xpg2bin	/usr/bin
/usr/xpg2lib	/usr/lib
/usr/xpg2include	/usr/include

Appendix E, / and /usr File Systems Changes, contains tables with detailed information about the directories and files in each of these file systems.