Differences between version 5 and revision by previous author of UID.
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| Newer page: | version 5 | Last edited on Monday, May 15, 2006 1:03:13 pm | by CraigBox | Revert |
| Older page: | version 3 | Last edited on Monday, May 5, 2003 3:22:31 pm | by JohnMcPherson | Revert |
@@ -1,5 +1,9 @@
[Acronym] for User ID.
-The numerical id that corresponds to a user. For example 0 is usually root. ''bob''s UID might be 500. UID to name mappings are stored in /etc/passwd (see passwd(5))
+The numerical id that corresponds to a user. For example 0 is usually [
root]
. ''bob''s UID might be 500. UID to name mappings are stored in /etc/passwd (see passwd(5))
-A program is said to be "SetUid
" when the file has the "+s" user permission bit set, so the program will run as the permissions of the user that owned the file, not the user that ran the file.
+; Set UID ([SUID]) :
A program is said to be "[SUID]
" when the file has the "+s" user permission bit set, so the program will run as the permissions of the user that owned the file, not the user that ran the file.
+
+; Actual UID : The uid listed in your auth mechanism against the username you logged in as. Alternatively, the uid a process was launched by, as opposed to the uid it runs as (the EUID)
+
+; Effective UID (EUID) : The user that a programs permission checks are done against. This is often root if you run a [SUID] program. The Actual UID is your normal UID, but the effective UID is that of root
.
