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Diffstat (limited to 'manual/users.texi')
| -rw-r--r-- | manual/users.texi | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/manual/users.texi b/manual/users.texi index 93b25ebcf4..a14a25664e 100644 --- a/manual/users.texi +++ b/manual/users.texi @@ -71,7 +71,7 @@ in a data base which you can access as described in @ref{User Database}. @cindex group ID Users are classified in @dfn{groups}. Each user name belongs to one @dfn{default group} and may also belong to any number of -@dfn{supplementary groups}. Users who are members of the same group can +@dfn{supplementary groups}. Users who are members of the same group can share resources (such as files) that are not accessible to users who are not a member of that group. Each group has a @dfn{group name} and @dfn{group ID}. @xref{Group Database}, for how to find information @@ -830,7 +830,7 @@ special user. Be cautious about using the @code{exec} functions in combination with changing the effective user ID. Don't let users of your program execute arbitrary programs under a changed user ID. Executing a shell is -especially bad news. Less obviously, the @code{execlp} and @code{execvp} +especially bad news. Less obviously, the @code{execlp} and @code{execvp} functions are a potential risk (since the program they execute depends on the user's @code{PATH} environment variable). |