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-rw-r--r--share/man/man4/linux.434
1 files changed, 20 insertions, 14 deletions
diff --git a/share/man/man4/linux.4 b/share/man/man4/linux.4
index 0efc469985f9..711ac11e8fce 100644
--- a/share/man/man4/linux.4
+++ b/share/man/man4/linux.4
@@ -22,7 +22,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd January 9, 2022
+.Dd May 19, 2024
.Dt LINUX 4
.Os
.Sh NAME
@@ -61,11 +61,13 @@ under
.Pa /compat/linux )
before
.Pa / .
-For example, when Linux process attempts to open
+For example, when a Linux process attempts to open
.Pa /etc/passwd ,
-it will really access
+it will first access
.Pa /compat/linux/etc/passwd ,
-unless the latter does not exist.
+falling back to
+.Pa /etc/passwd
+if the compat path does not exist.
This is used to make sure Linux processes load Linux shared libraries
instead of their similarly-named FreeBSD counterparts, and also
to provide alternative versions of certain other files and virtual
@@ -156,30 +158,34 @@ Defaults to 0.
Linux run-time environment
.It Pa /compat/linux/dev
device file system, see
-.Xr devfs 5
+.Xr devfs 4
.It Pa /compat/linux/dev/fd
file descriptor file system mounted with the
.Cm linrdlnk
option, see
-.Xr fdescfs 5
+.Xr fdescfs 4
+.It Pa /compat/linux/dev/mqueue
+symbolic link to a mqueuefs mount, see
+.Xr mqueuefs 4
.It Pa /compat/linux/dev/shm
in-memory file system, see
-.Xr tmpfs 5
+.Xr tmpfs 4
.It Pa /compat/linux/proc
Linux process file system, see
-.Xr linprocfs 5
+.Xr linprocfs 4
.It Pa /compat/linux/sys
Linux kernel objects file system, see
-.Xr linsysfs 5
+.Xr linsysfs 4
.El
.Sh SEE ALSO
.Xr brandelf 1 ,
+.Xr fdescfs 4 ,
+.Xr linprocfs 4 ,
+.Xr linsysfs 4 ,
+.Xr mqueuefs 4 ,
.Xr pty 4 ,
-.Xr elf 5 ,
-.Xr fdescfs 5 ,
-.Xr linprocfs 5 ,
-.Xr linsysfs 5 ,
-.Xr tmpfs 5
+.Xr tmpfs 4 ,
+.Xr elf 5
.Sh HISTORY
Linux ABI support first appeared for i386 in
.Fx 2.1 .