diff options
Diffstat (limited to 'sbin/mount_nullfs')
-rw-r--r-- | sbin/mount_nullfs/mount_nullfs.8 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sbin/mount_nullfs/mount_nullfs.8 b/sbin/mount_nullfs/mount_nullfs.8 index b63969e..eb6ae85 100644 --- a/sbin/mount_nullfs/mount_nullfs.8 +++ b/sbin/mount_nullfs/mount_nullfs.8 @@ -42,7 +42,7 @@ .Os .Sh NAME .Nm mount_nullfs -.Nd "mount a loopback filesystem sub-tree; demonstrate the use of a null file system layer" +.Nd "mount a loopback filesystem sub-tree; demonstrate the use of a null filesystem layer" .Sh SYNOPSIS .Nm .Op Fl o Ar options @@ -52,8 +52,8 @@ The .Nm command creates a -null layer, duplicating a sub-tree of the file system -name space under another part of the global file system namespace. +null layer, duplicating a sub-tree of the filesystem +name space under another part of the global filesystem namespace. This allows existing files and directories to be accessed using a different pathname. .Pp @@ -69,7 +69,7 @@ but in other respects it is indistinguishable from the original. The .Nm filesystem differs from a traditional -loopback file system in two respects: it is implemented using +loopback filesystem in two respects: it is implemented using a stackable layers techniques, and it's .Do null-node Dc Ns s stack above @@ -89,11 +89,11 @@ man page for possible options and their meanings. The null layer has two purposes. First, it serves as a demonstration of layering by providing a layer which does nothing. -(It actually does everything the loopback file system does, +(It actually does everything the loopback filesystem does, which is slightly more than nothing.) Second, the null layer can serve as a prototype layer. Since it provides all necessary layer framework, -new file system layers can be created very easily by starting +new filesystem layers can be created very easily by starting with a null layer. .Pp The remainder of this man page examines the null layer as a basis @@ -112,7 +112,7 @@ of target-pn subtree will be aliased under mount-point-pn. .\" .\" .Sh OPERATION OF A NULL LAYER -The null layer is the minimum file system layer, +The null layer is the minimum filesystem layer, simply bypassing all possible operations to the lower layer for processing there. The majority of its activity centers on the bypass routine, through which nearly all vnode operations @@ -186,7 +186,7 @@ process when constructing other vnode stacks. .\" .\" .Sh CREATING OTHER FILE SYSTEM LAYERS -One of the easiest ways to construct new file system layers is to make +One of the easiest ways to construct new filesystem layers is to make a copy of the null layer, rename all files and variables, and then begin modifying the copy. .Xr Sed 1 |