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| author | charnier <charnier@FreeBSD.org> | 2002-07-06 19:34:18 +0000 |
|---|---|---|
| committer | charnier <charnier@FreeBSD.org> | 2002-07-06 19:34:18 +0000 |
| commit | a2accd01f0ac2f25d72443923819abceaf128119 (patch) | |
| tree | 219860332a065e5cb6defc25dab58e4a8c7997cd /sbin/mount_umapfs | |
| parent | 9639b20db64d084fa58b75058a2bd896b1f743e1 (diff) | |
| download | FreeBSD-src-a2accd01f0ac2f25d72443923819abceaf128119.zip FreeBSD-src-a2accd01f0ac2f25d72443923819abceaf128119.tar.gz | |
The .Nm utility
Diffstat (limited to 'sbin/mount_umapfs')
| -rw-r--r-- | sbin/mount_umapfs/mount_umapfs.8 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sbin/mount_umapfs/mount_umapfs.8 b/sbin/mount_umapfs/mount_umapfs.8 index 8b50352..133c80a 100644 --- a/sbin/mount_umapfs/mount_umapfs.8 +++ b/sbin/mount_umapfs/mount_umapfs.8 @@ -52,7 +52,7 @@ .Sh DESCRIPTION The .Nm -command is used to mount a sub-tree of an existing filesystem +utility is used to mount a sub-tree of an existing filesystem that uses a different set of uids and gids than the local system. Such a filesystem could be mounted from a remote site via NFS or it could be a filesystem on removable media brought from some @@ -60,13 +60,13 @@ foreign location that uses a different password file. .Pp The .Nm -command uses a set of files provided by the user to make correspondences +utility uses a set of files provided by the user to make correspondences between uids and gids in the sub-tree's original environment and some other set of ids in the local environment. For instance, user smith might have uid 1000 in the original environment, while having uid 2000 in the local environment. The .Nm -command allows the subtree from smith's original environment to be +utility allows the subtree from smith's original environment to be mapped in such a way that all files with owning uid 1000 look like they are actually owned by uid 2000. .Pp @@ -110,14 +110,15 @@ at most 16 groups can be mapped by a given subtree. .Pp The mapfiles can be located anywhere in the file hierarchy, but they must be owned by root, and they must be writable only by root. -.Nm Mount_umapfs -will refuse to map the sub-tree if the ownership or permissions on +The +.Nm +utility will refuse to map the sub-tree if the ownership or permissions on these files are improper. It will also balk if the count of mappings in the first line of the map files is not correct. .Pp The layer created by the .Nm -command is meant to serve as a simple example of filesystem layering. +utility is meant to serve as a simple example of filesystem layering. It is not meant for production use. The implementation is not very sophisticated. .Sh SEE ALSO |
