Differences
This shows you the differences between the selected revisions of the page.
2017-01-09 | 2017-01-09 | ||
moving footnote reference only after dot (martin) | special explict anchor (martin) | ||
Line 16: | Line 16: | ||
The rows of checkboxes are used to set/unset specific permissions for the //Owner// (the owner of the file); the //Group// (members of file group); and //Others// (all others). The label //R// stands for "read permissions", //W// for "write" and //X// for "execute". For directories the "execute permission" means permission to enter the directory (make it working directory). | The rows of checkboxes are used to set/unset specific permissions for the //Owner// (the owner of the file); the //Group// (members of file group); and //Others// (all others). The label //R// stands for "read permissions", //W// for "write" and //X// for "execute". For directories the "execute permission" means permission to enter the directory (make it working directory). | ||
- | ===== Special Permissions ===== | + | ===== [[special]] Special Permissions ===== |
There are three special permissions. //Set UID// and //Set GID// are used with executable files. They grant the user, who executes the file, permissions of file owner or group, respectively. //Sticky bit// for executable files makes the kernel keep the memory image of the process after it has terminated, in order to avoid the overhead of reloading it when it is re-invoked. //Sticky bit// for directories ensures that only the owner of a file can remove or delete the file or directory. | There are three special permissions. //Set UID// and //Set GID// are used with executable files. They grant the user, who executes the file, permissions of file owner or group, respectively. //Sticky bit// for executable files makes the kernel keep the memory image of the process after it has terminated, in order to avoid the overhead of reloading it when it is re-invoked. //Sticky bit// for directories ensures that only the owner of a file can remove or delete the file or directory. |