̾??

getextattr, lsextattr, rmextattr, setextattr — ??ĥ°????????

????

getextattr [-fhqsx] attrnamespace attrname filename ... lsextattr [-fhq] attrnamespace filename ... rmextattr [-fhq] attrnamespace attrname filename ... setextattr [-fhnq] attrnamespace attrname attrvalue filename ...

????

???????Υ桼?ƥ????ƥ??ϡ? ?ե????뤪???ӥǥ??쥯?ȥ????λ??ꤵ?줿??ĥ°????????뤿???? ?桼???ġ????Ǥ??? attrnamespace ?????ϼ????Ф??оݤ?°????̾?????֤Ǥ??ꡢ ???????ͤ? user ?????? system ?Ǥ??? attrname ??????°??̾?? filename ?????ϥ??????åȥե??????ޤ??ϥǥ??쥯?ȥ???̾???? attrvalue ??????°???˳?Ǽ????ʸ?????Ǥ???

???Υ??ץ????󤬻??Ѳ?ǽ?Ǥ?:

-f

(????) ?ƥե?????̾???Ф??륨?顼??̵?뤷???Ĥ??ΰ??????Ф??ƽ?????³?Ԥ??ޤ???

-h

(??????) ?ե????뤬?????ܥ??å????󥯤ξ??硢 ???󥯤ǻؤ??????ե??????ǤϤʤ????󥯼??Ȥ??Ф??????????¹Ԥ??ޤ???

-n

(NUL ??ü) ???????????Ƥ???ʬ?? NUL ??ü???ޤ???

-q

(?ż?) ?ѥ?̾??ɽ???????????顼???å??????????????ޤ???

-s

(ʸ??????) ??ɽ??ʸ???򥨥??????פ??????Ϥ򥯥????Ȥdz????ޤ???

-x

(16 ?ʿ?) ???Ϥ? 16 ?ʿ???ɽ?????ޤ???

??????

setextattr system md5 `md5 -q /boot/kernel/kernel` /boot/kernel/kernel
getextattr system md5 /boot/kernel/kernel
lsextattr system /boot/kernel/kernel
rmextattr system md5 /boot/kernel/kernel

??Ϣ????

extattr(2), extattr(3), extattrctl(8), extattr(9)

????

??ĥ°?????ݡ??Ȥϡ? TrustedBSD Project ?ΰ????Ȥ??Ƴ?ȯ???졢 FreeBSD 5.0 ??Ƴ???????ޤ????? ?ƥե????????ǥ??쥯?ȥ꤬?ɲå??٥??????Ĥ??Ȥ?ɬ?פȤ????褦?? ?????????ƥ???ĥ?Τ????ˡ????γ?ȯ???Ԥ????ޤ?????

????

Robert N M Watson Poul-Henning Kamp

?Х?

setextattr ?桼?ƥ????ƥ??ϡ?°?????Ф???ʸ?????????ꤹ?뤿???????˻??ѤǤ??ޤ???