permission bits 中文意思是什麼
permission bits
解釋
都有一組許可位- permission : n 許，允許，答應，同意，許可，準許（to do）。 Ask permission of your father 請你父親允許吧。 ask ...
- bits : 吃剩的食物
-
One alternative is setting the suid and the sgid permission bits for a file
一替代選擇正在置位suid和為一個文件sgid許可位元。 -
The state of the current permission, represented by a bitwise or combination of any permission bits defined by
所定義的任何權限位的按位「或」組合來表示。 -
Individual permission bits can be determined by performing an and operation against this value and checking for nonzero
可通過對此值進行and運算並檢查非零來確定各個權限位。 -
When performing operations on a file s meta - information, such as changing its owner, stat - ing the file, or changing its permission bits, first open the file and then use the operations on open files
當對文件的元信息進行操作時（比如修改它的所有者、對文件進行統計，或者修改它的權限位） ，首先要打開該文件，然後對打開的文件進行操作。 -
On most unix - like systems, permissions are only checked on open, so an attacker could open the file while the permission bits said it was ok, and keep the file open with those permissions indefinitely
在大部分類unix系統上，只在打開文件時才檢查權限，所以，攻擊者可以在權限位（ permission bit ）允許時打開文件，並使該文件一直處于打開狀態，不管權限如何改變。 -
The article put forward a grading control based on object technology over the permissions of msql system. the method divides the permissions of the whole msql into three grades including system grade, database grade and table grade. it encapsulates each grade permission into a class and designs a flexible algorithm, which is based on the calculation of bits and is for the assignment and checkage of permissions
本文提出了基於對象的數據庫權限的分級控制，即將整個msql系統的權限分為三級：系統級、數據庫級和數據表級，並分別用一個對象類包裝：並在此基礎上，設計了一種基於二進制位運算的、靈活的權限分配與檢查演算法。
分享友人