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FreeBSD 6.3-RELEASE Release Note

發佈時間: 2008/01/15

ISO映像檔: 6.3-RELEASE-i386-disc1.iso  
                    檔案大小 655071232 下載點: 交大資工   官方網站

原始出處: http://www.freebsd.org/releases/6.3R/relnotes-i386.html

摘要:
個人備忘用,僅供參考, 若需要詳細資料,請自行參看官方網站.

Kernel Changes
acpi(4) now has support for the HPET time counter.
HPET (High Precision Event Timer) -- wikipedia

Userland Changes
The freebsd-update(8) utility now supports an upgrade command to perform binary upgrades between different versions of FreeBSD.
freebsd-update工具,提供upgrade指令提供在各個不同版本間進行binary update.

The rpc.lockd(8) and rpc.statd(8) programs now accept -p options to indicate which port they should bind to.
NFS服務需要用到的 rpc.lockd 和 rpc.statd 新增 -p 參數, 用來指定服務的port.

The pw(8) program now supports a -M option to set the permissions of a user's newly created home directory.
pw (用來 建立 移除 修改 和顯示系統帳號和群組的指令) 新增 -M 參數,用來修改使用者的家目錄權限, 此參數自 umask(2) 修改而來.

The top(1) program now supports a -j flag to display the jail(8) ID for each process.
top 只令新增 -j 旗標 , 來顯示每個行程的 jail (限制和其衍伸程序) ID
在 top 畫面 ,鍵入 j 就會出現 JID , 常見的 JID 為 0 , 也就是swapper(置換記憶體) .

The touch(1) utility now supports a -A flag that allows the access and modification times of a file be adjusted by a specified value.
touch (改變檔案存取及時間)指令新增 -A 旗標, 可以將檔案的存取及修改時間改為 指定的特定時間.

/etc/rc.d Scripts
The sendmail script can be instructed not to rebuild the aliases database if it is missing or older than the aliases file. If desired, set the new rc.conf option sendmail_rebuild_aliases to "NO" to turn off that functionality.
sendmail行程, 可以以不建立aliases資料庫執行,若有需要可以在/etc/rc.conf設定
sendmail_rebulid_aliases="No"

The /etc/rc.d/nfslocking script has been deprecated and will be removed in a future release. It has been replaced by the /etc/rc.d/lockd and /etc/rc.d/statd scripts.
NFS服務, 現有/etc/rc.d/nfslocking script將會在不久後的將來移除, 改由 /etc/rc.d/locks 和 /etc/rc.d/statd script

Upgrading form previous release of FreeBSD
Source upgrades to FreeBSD 6.3-RELEASE are only supported from FreeBSD 5.3-RELEASE or later. Users of older systems wanting to upgrade 6.3-RELEASE will need to update to FreeBSD 5.3 or newer first, then to FreeBSD 6.3-RELEASE.
FreeBSD 6.3-RELEASE 只支援從 FreeBSD 5.3-RELEASE 或是之後的版本透過 source upgrade昇級. 若您使用的是舊系統(5.3R以前)想要昇級,請先行更新到 5.3R或是之後的版本,然後再次昇級到6.3-RELEASE