mdoc(7) police: removed HISTORY info from the .Os call.

102 files changed, 102 insertions, 102 deletions

diff --git a/lib/libc/sys/_exit.2 b/lib/libc/sys/_exit.2
index 770672b..50096e6 100644
--- a/lib/libc/sys/_exit.2
+++ b/lib/libc/sys/_exit.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt EXIT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm _exit
 .Nd terminate the calling process
diff --git a/lib/libc/sys/accept.2 b/lib/libc/sys/accept.2
index 9e6b5fd..968f4ce 100644
--- a/lib/libc/sys/accept.2
+++ b/lib/libc/sys/accept.2
@@ -34,7 +34,7 @@
 .\"
 .Dd December 11, 1993
 .Dt ACCEPT 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm accept
 .Nd accept a connection on a socket
diff --git a/lib/libc/sys/access.2 b/lib/libc/sys/access.2
index 0de57e1..e37d069 100644
--- a/lib/libc/sys/access.2
+++ b/lib/libc/sys/access.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 1, 1994
 .Dt ACCESS 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm access
 .Nd check access permissions of a file or pathname
diff --git a/lib/libc/sys/acct.2 b/lib/libc/sys/acct.2
index 0dce177..7b1c6c2 100644
--- a/lib/libc/sys/acct.2
+++ b/lib/libc/sys/acct.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt ACCT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm acct
 .Nd enable or disable process accounting
diff --git a/lib/libc/sys/adjtime.2 b/lib/libc/sys/adjtime.2
index a5e1647..a6ddd8c 100644
--- a/lib/libc/sys/adjtime.2
+++ b/lib/libc/sys/adjtime.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt ADJTIME 2
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm adjtime
 .Nd "correct the time to allow synchronization of the system clock"
diff --git a/lib/libc/sys/bind.2 b/lib/libc/sys/bind.2
index d13b298..ac8337e 100644
--- a/lib/libc/sys/bind.2
+++ b/lib/libc/sys/bind.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt BIND 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm bind
 .Nd assign a local protocol address to a socket
diff --git a/lib/libc/sys/brk.2 b/lib/libc/sys/brk.2
index 7f40e34..97b2915 100644
--- a/lib/libc/sys/brk.2
+++ b/lib/libc/sys/brk.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 1, 1995
 .Dt BRK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm brk ,
 .Nm sbrk
diff --git a/lib/libc/sys/chdir.2 b/lib/libc/sys/chdir.2
index d6ca532..7a9c716 100644
--- a/lib/libc/sys/chdir.2
+++ b/lib/libc/sys/chdir.2
@@ -34,7 +34,7 @@
 .\"
 .Dd December 11, 1993
 .Dt CHDIR 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm chdir ,
 .Nm fchdir
diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index 61f1b36..6a3120f 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt CHMOD 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm chmod ,
 .Nm fchmod ,
diff --git a/lib/libc/sys/chown.2 b/lib/libc/sys/chown.2
index 1ae9bf9..e049ad5 100644
--- a/lib/libc/sys/chown.2
+++ b/lib/libc/sys/chown.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt CHOWN 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm chown ,
 .Nm fchown ,
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2
index 6d9f764..db7336c 100644
--- a/lib/libc/sys/chroot.2
+++ b/lib/libc/sys/chroot.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt CHROOT 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm chroot
 .Nd change root directory
diff --git a/lib/libc/sys/clock_gettime.2 b/lib/libc/sys/clock_gettime.2
index 956168a..24ead35 100644
--- a/lib/libc/sys/clock_gettime.2
+++ b/lib/libc/sys/clock_gettime.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 8, 1997
 .Dt CLOCK_GETTIME 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm clock_gettime ,
 .Nm clock_settime ,
diff --git a/lib/libc/sys/close.2 b/lib/libc/sys/close.2
index e0ebcc1..18ebe3c 100644
--- a/lib/libc/sys/close.2
+++ b/lib/libc/sys/close.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt CLOSE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm close
 .Nd delete a descriptor
diff --git a/lib/libc/sys/connect.2 b/lib/libc/sys/connect.2
index 8b023ab..7a8a59d 100644
--- a/lib/libc/sys/connect.2
+++ b/lib/libc/sys/connect.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt CONNECT 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm connect
 .Nd initiate a connection on a socket
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2
index 9329cbc..d64ee65 100644
--- a/lib/libc/sys/dup.2
+++ b/lib/libc/sys/dup.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt DUP 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm dup ,
 .Nm dup2
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index dd09ca6..85531f8 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 1, 1994
 .Dt EXECVE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm execve
 .Nd execute a file
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2
index ecd6221..9c2a25b 100644
--- a/lib/libc/sys/fcntl.2
+++ b/lib/libc/sys/fcntl.2
@@ -34,7 +34,7 @@
 .\"
 .Dd January 12, 1994
 .Dt FCNTL 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm fcntl
 .Nd file control
diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index 73fc8e2..49ecd4d 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -34,7 +34,7 @@
 .\"
 .Dd December 11, 1993
 .Dt FLOCK 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm flock
 .Nd "apply or remove an advisory lock on an open file"
diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index ba94873..047e5a9 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt FORK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm fork
 .Nd create a new process
diff --git a/lib/libc/sys/fsync.2 b/lib/libc/sys/fsync.2
index a2f75bb..f689c30 100644
--- a/lib/libc/sys/fsync.2
+++ b/lib/libc/sys/fsync.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt FSYNC 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm fsync
 .Nd "synchronise changes to a file"
diff --git a/lib/libc/sys/getdtablesize.2 b/lib/libc/sys/getdtablesize.2
index 0254456..28344ac 100644
--- a/lib/libc/sys/getdtablesize.2
+++ b/lib/libc/sys/getdtablesize.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETDTABLESIZE 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getdtablesize
 .Nd get descriptor table size
diff --git a/lib/libc/sys/getgid.2 b/lib/libc/sys/getgid.2
index aaaf72b..3e1a148 100644
--- a/lib/libc/sys/getgid.2
+++ b/lib/libc/sys/getgid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETGID 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getgid ,
 .Nm getegid
diff --git a/lib/libc/sys/getgroups.2 b/lib/libc/sys/getgroups.2
index 3ae5242..6527e80 100644
--- a/lib/libc/sys/getgroups.2
+++ b/lib/libc/sys/getgroups.2
@@ -34,7 +34,7 @@
 .\"
 .Dd March 5, 1999
 .Dt GETGROUPS 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getgroups
 .Nd get group access list
diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2
index 485c067..db629f4 100644
--- a/lib/libc/sys/getitimer.2
+++ b/lib/libc/sys/getitimer.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 16, 1995
 .Dt GETITIMER 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getitimer ,
 .Nm setitimer
diff --git a/lib/libc/sys/getlogin.2 b/lib/libc/sys/getlogin.2
index c52bb2e..89c9211 100644
--- a/lib/libc/sys/getlogin.2
+++ b/lib/libc/sys/getlogin.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 9, 1993
 .Dt GETLOGIN 2
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm getlogin ,
 .Nm getlogin_r ,
diff --git a/lib/libc/sys/getpeername.2 b/lib/libc/sys/getpeername.2
index a7cd663..20d9f53 100644
--- a/lib/libc/sys/getpeername.2
+++ b/lib/libc/sys/getpeername.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETPEERNAME 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getpeername
 .Nd get name of connected peer
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2
index 6197ff5..9e3fa54 100644
--- a/lib/libc/sys/getpgrp.2
+++ b/lib/libc/sys/getpgrp.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETPGRP 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getpgrp
 .Nd get process group
diff --git a/lib/libc/sys/getpid.2 b/lib/libc/sys/getpid.2
index 1eb7741..70c0b65 100644
--- a/lib/libc/sys/getpid.2
+++ b/lib/libc/sys/getpid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETPID 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm getpid ,
 .Nm getppid
diff --git a/lib/libc/sys/getpriority.2 b/lib/libc/sys/getpriority.2
index 1047cf7..8a8d57b 100644
--- a/lib/libc/sys/getpriority.2
+++ b/lib/libc/sys/getpriority.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETPRIORITY 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm getpriority ,
 .Nm setpriority
diff --git a/lib/libc/sys/getrlimit.2 b/lib/libc/sys/getrlimit.2
index 4f67802..ceac426 100644
--- a/lib/libc/sys/getrlimit.2
+++ b/lib/libc/sys/getrlimit.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETRLIMIT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm getrlimit ,
 .Nm setrlimit
diff --git a/lib/libc/sys/getrusage.2 b/lib/libc/sys/getrusage.2
index 9e44151..ad7f585 100644
--- a/lib/libc/sys/getrusage.2
+++ b/lib/libc/sys/getrusage.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETRUSAGE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm getrusage
 .Nd get information about resource utilization
diff --git a/lib/libc/sys/getsid.2 b/lib/libc/sys/getsid.2
index 00f46c9..627daf9 100644
--- a/lib/libc/sys/getsid.2
+++ b/lib/libc/sys/getsid.2
@@ -25,7 +25,7 @@
 .\"
 .Dd August 19, 1997
 .Dt GETSID 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getsid
 .Nd get process session
diff --git a/lib/libc/sys/getsockname.2 b/lib/libc/sys/getsockname.2
index d0262dc..d2ecff9 100644
--- a/lib/libc/sys/getsockname.2
+++ b/lib/libc/sys/getsockname.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETSOCKNAME 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm getsockname
 .Nd get socket name
diff --git a/lib/libc/sys/getsockopt.2 b/lib/libc/sys/getsockopt.2
index c9e9ba9..0f1a23b 100644
--- a/lib/libc/sys/getsockopt.2
+++ b/lib/libc/sys/getsockopt.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 2, 1995
 .Dt GETSOCKOPT 2
-.Os BSD 4.3r
+.Os
 .Sh NAME
 .Nm getsockopt ,
 .Nm setsockopt
diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index e6554cc..6b8f3f6 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 26, 1995
 .Dt GETTIMEOFDAY 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm gettimeofday ,
 .Nm settimeofday
diff --git a/lib/libc/sys/getuid.2 b/lib/libc/sys/getuid.2
index 01e464c..1a762fe 100644
--- a/lib/libc/sys/getuid.2
+++ b/lib/libc/sys/getuid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt GETUID 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm getuid ,
 .Nm geteuid
diff --git a/lib/libc/sys/intro.2 b/lib/libc/sys/intro.2
index e25c5ba..07c1a02 100644
--- a/lib/libc/sys/intro.2
+++ b/lib/libc/sys/intro.2
@@ -34,7 +34,7 @@
 .\"
 .Dd February 27, 1995
 .Dt INTRO 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm intro
 .Nd introduction to system calls and error numbers
diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index af5c852..5f75d49 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -35,7 +35,7 @@
 .\"
 .Dd December 11, 1993
 .Dt IOCTL 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm ioctl
 .Nd control device
diff --git a/lib/libc/sys/jail.2 b/lib/libc/sys/jail.2
index e65eae6..cc0df2a 100644
--- a/lib/libc/sys/jail.2
+++ b/lib/libc/sys/jail.2
@@ -10,7 +10,7 @@
 .\"
 .Dd April 28, 1999
 .Dt JAIL 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm jail
 .Nd imprison current process and future decendants
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index 5a7c05c..e641fd9 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt KILL 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm kill
 .Nd send signal to a process
diff --git a/lib/libc/sys/kldfind.2 b/lib/libc/sys/kldfind.2
index 78cd3be..aabd41d 100644
--- a/lib/libc/sys/kldfind.2
+++ b/lib/libc/sys/kldfind.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDFIND 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldfind
 .Nd returns the fileid of a kld file 
diff --git a/lib/libc/sys/kldfirstmod.2 b/lib/libc/sys/kldfirstmod.2
index 1474f63..fe928b8 100644
--- a/lib/libc/sys/kldfirstmod.2
+++ b/lib/libc/sys/kldfirstmod.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDFIRSTMOD 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldfirstmod
 .Nd "return first module id from the kld file specified"
diff --git a/lib/libc/sys/kldload.2 b/lib/libc/sys/kldload.2
index eb07468..f897c83 100644
--- a/lib/libc/sys/kldload.2
+++ b/lib/libc/sys/kldload.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDLOAD 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldload
 .Nd load KLD files into the kernel 
diff --git a/lib/libc/sys/kldnext.2 b/lib/libc/sys/kldnext.2
index cef9d0a..4ba8ca3 100644
--- a/lib/libc/sys/kldnext.2
+++ b/lib/libc/sys/kldnext.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDNEXT 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldnext
 .Nd return the fileid of the next kld file 
diff --git a/lib/libc/sys/kldstat.2 b/lib/libc/sys/kldstat.2
index 2617c00..4846905 100644
--- a/lib/libc/sys/kldstat.2
+++ b/lib/libc/sys/kldstat.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDSTAT 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldstat
 .Nd get status of kld file 
diff --git a/lib/libc/sys/kldunload.2 b/lib/libc/sys/kldunload.2
index 6ef3d3a..38ab322 100644
--- a/lib/libc/sys/kldunload.2
+++ b/lib/libc/sys/kldunload.2
@@ -27,7 +27,7 @@
 .\"
 .Dd March 3, 1999
 .Dt KLDUNLOAD 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm kldunload
 .Nd unload kld files
diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index db4c2d3..ded62e6 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt KTRACE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm ktrace
 .Nd process tracing
diff --git a/lib/libc/sys/link.2 b/lib/libc/sys/link.2
index 31f43ef..5ddc28b 100644
--- a/lib/libc/sys/link.2
+++ b/lib/libc/sys/link.2
@@ -34,7 +34,7 @@
 .\"
 .Dd March 5, 1999
 .Dt LINK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm link
 .Nd make a hard file link
diff --git a/lib/libc/sys/listen.2 b/lib/libc/sys/listen.2
index e7cb799..fd67ca4 100644
--- a/lib/libc/sys/listen.2
+++ b/lib/libc/sys/listen.2
@@ -34,7 +34,7 @@
 .\"
 .Dd November 3, 1995
 .Dt LISTEN 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm listen
 .Nd listen for connections on a socket
diff --git a/lib/libc/sys/lseek.2 b/lib/libc/sys/lseek.2
index 5cc0f22..e161025 100644
--- a/lib/libc/sys/lseek.2
+++ b/lib/libc/sys/lseek.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt LSEEK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm lseek
 .Nd reposition read/write file offset
diff --git a/lib/libc/sys/mkdir.2 b/lib/libc/sys/mkdir.2
index 9e0e445..91374ce 100644
--- a/lib/libc/sys/mkdir.2
+++ b/lib/libc/sys/mkdir.2
@@ -34,7 +34,7 @@
 .\"
 .Dd December 11, 1993
 .Dt MKDIR 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm mkdir
 .Nd make a directory file
diff --git a/lib/libc/sys/mknod.2 b/lib/libc/sys/mknod.2
index 0910bee..27d48b0 100644
--- a/lib/libc/sys/mknod.2
+++ b/lib/libc/sys/mknod.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt MKNOD 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm mknod
 .Nd make a special file node
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2
index 2c2c579..e9eb9d3 100644
--- a/lib/libc/sys/mmap.2
+++ b/lib/libc/sys/mmap.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 11, 1995
 .Dt MMAP 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm mmap
 .Nd allocate memory, or map files or devices into memory
diff --git a/lib/libc/sys/modfind.2 b/lib/libc/sys/modfind.2
index 9f8b7c9..ad29f2e 100644
--- a/lib/libc/sys/modfind.2
+++ b/lib/libc/sys/modfind.2
@@ -27,7 +27,7 @@
 .\"
 .Dd September 28, 2000
 .Dt MODFIND 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm modfind
 .Nd returns the modid of a kernel module 
diff --git a/lib/libc/sys/modnext.2 b/lib/libc/sys/modnext.2
index 399836a..972cd8f 100644
--- a/lib/libc/sys/modnext.2
+++ b/lib/libc/sys/modnext.2
@@ -27,7 +27,7 @@
 .\"
 .Dd September 28, 2000
 .Dt MODNEXT 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm modnext
 .Nd return the modid of the next kernel module
diff --git a/lib/libc/sys/mount.2 b/lib/libc/sys/mount.2
index b2c14d0..efc3384 100644
--- a/lib/libc/sys/mount.2
+++ b/lib/libc/sys/mount.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 24, 1995
 .Dt MOUNT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm mount ,
 .Nm unmount
diff --git a/lib/libc/sys/nanosleep.2 b/lib/libc/sys/nanosleep.2
index f272a9d..0c4749f 100644
--- a/lib/libc/sys/nanosleep.2
+++ b/lib/libc/sys/nanosleep.2
@@ -37,7 +37,7 @@
 .\"
 .Dd April 17, 1997
 .Dt NANOSLEEP 2
-.Os 
+.Os
 .Sh NAME
 .Nm nanosleep
 .Nd suspend process execution for an interval measured in nanoseconds
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index 82f6c8a..feb05c1 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -34,7 +34,7 @@
 .\"
 .Dd November 16, 1993
 .Dt OPEN 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm open
 .Nd open or create a file for reading or writing
diff --git a/lib/libc/sys/pathconf.2 b/lib/libc/sys/pathconf.2
index a8797e6..90318c0 100644
--- a/lib/libc/sys/pathconf.2
+++ b/lib/libc/sys/pathconf.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt PATHCONF 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm pathconf ,
 .Nm fpathconf
diff --git a/lib/libc/sys/pipe.2 b/lib/libc/sys/pipe.2
index e63f6cf..0e0043f 100644
--- a/lib/libc/sys/pipe.2
+++ b/lib/libc/sys/pipe.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt PIPE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm pipe
 .Nd create descriptor pair for interprocess communication
diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index c91b2d1..29a8538 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -4,7 +4,7 @@
 .\" This file is in the public domain.
 .Dd January 20, 1996
 .Dt PTRACE 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm ptrace
 .Nd process tracing and debugging
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2
index c797b5b..90c8e78 100644
--- a/lib/libc/sys/read.2
+++ b/lib/libc/sys/read.2
@@ -34,7 +34,7 @@
 .\"
 .Dd February 26, 1994
 .Dt READ 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm read ,
 .Nm readv ,
diff --git a/lib/libc/sys/readlink.2 b/lib/libc/sys/readlink.2
index 160686d..4708594 100644
--- a/lib/libc/sys/readlink.2
+++ b/lib/libc/sys/readlink.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt READLINK 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm readlink
 .Nd read value of a symbolic link
diff --git a/lib/libc/sys/reboot.2 b/lib/libc/sys/reboot.2
index 411e689..cf34745 100644
--- a/lib/libc/sys/reboot.2
+++ b/lib/libc/sys/reboot.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt REBOOT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm reboot
 .Nd reboot system or halt processor
diff --git a/lib/libc/sys/recv.2 b/lib/libc/sys/recv.2
index f9202cb..7830d77 100644
--- a/lib/libc/sys/recv.2
+++ b/lib/libc/sys/recv.2
@@ -34,7 +34,7 @@
 .\"
 .Dd February 21, 1994
 .Dt RECV 2
-.Os BSD 4.3r
+.Os
 .Sh NAME
 .Nm recv ,
 .Nm recvfrom ,
diff --git a/lib/libc/sys/rename.2 b/lib/libc/sys/rename.2
index 31678f5..91bf125 100644
--- a/lib/libc/sys/rename.2
+++ b/lib/libc/sys/rename.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt RENAME 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rename
 .Nd change the name of a file
diff --git a/lib/libc/sys/rmdir.2 b/lib/libc/sys/rmdir.2
index 523bc21..d637c93 100644
--- a/lib/libc/sys/rmdir.2
+++ b/lib/libc/sys/rmdir.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt RMDIR 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rmdir
 .Nd remove a directory file
diff --git a/lib/libc/sys/rtprio.2 b/lib/libc/sys/rtprio.2
index 517d1dd..3f902c0 100644
--- a/lib/libc/sys/rtprio.2
+++ b/lib/libc/sys/rtprio.2
@@ -31,7 +31,7 @@
 .\"
 .Dd July 23, 1994
 .Dt RTPRIO 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm rtprio
 .Nd examine or modify a process realtime or idle priority
diff --git a/lib/libc/sys/sched_get_priority_max.2 b/lib/libc/sys/sched_get_priority_max.2
index db06f57..cebce15 100644
--- a/lib/libc/sys/sched_get_priority_max.2
+++ b/lib/libc/sys/sched_get_priority_max.2
@@ -25,7 +25,7 @@
 .\"
 .Dd March 12, 1998
 .Dt SCHED_GET_PRIORITY_MAX 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm sched_get_priority_max ,
 .Nm sched_get_priority_min ,
diff --git a/lib/libc/sys/sched_setparam.2 b/lib/libc/sys/sched_setparam.2
index 69d193e..d937114 100644
--- a/lib/libc/sys/sched_setparam.2
+++ b/lib/libc/sys/sched_setparam.2
@@ -25,7 +25,7 @@
 .\"
 .Dd March 12, 1998
 .Dt SCHED_SETPARAM 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm sched_setparam ,
 .Nm sched_getparam
diff --git a/lib/libc/sys/sched_setscheduler.2 b/lib/libc/sys/sched_setscheduler.2
index 0341f16..ff3d5ad 100644
--- a/lib/libc/sys/sched_setscheduler.2
+++ b/lib/libc/sys/sched_setscheduler.2
@@ -25,7 +25,7 @@
 .\"
 .Dd March 12, 1998
 .Dt SCHED_SETSCHEDULER 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm sched_setscheduler ,
 .Nm sched_getscheduler
diff --git a/lib/libc/sys/sched_yield.2 b/lib/libc/sys/sched_yield.2
index 41f0af3..ed886c7 100644
--- a/lib/libc/sys/sched_yield.2
+++ b/lib/libc/sys/sched_yield.2
@@ -25,7 +25,7 @@
 .\"
 .Dd March 12, 1998
 .Dt SCHED_YIELD 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm sched_yield
 .Nd yield processor
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2
index 16e6be2..058041f 100644
--- a/lib/libc/sys/select.2
+++ b/lib/libc/sys/select.2
@@ -34,7 +34,7 @@
 .\"
 .Dd March 25, 1994
 .Dt SELECT 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm select
 .Nd synchronous I/O multiplexing
diff --git a/lib/libc/sys/semctl.2 b/lib/libc/sys/semctl.2
index 6fa120b..4446586 100644
--- a/lib/libc/sys/semctl.2
+++ b/lib/libc/sys/semctl.2
@@ -27,7 +27,7 @@
 .\"
 .Dd September 12, 1995
 .Dt SEMCTL 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm semctl
 .Nd control operations on a semaphore set
diff --git a/lib/libc/sys/semget.2 b/lib/libc/sys/semget.2
index dc22c0a..b35db9f 100644
--- a/lib/libc/sys/semget.2
+++ b/lib/libc/sys/semget.2
@@ -27,7 +27,7 @@
 .\"
 .Dd September 12, 1995
 .Dt SEMGET 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm semget
 .Nd obtain a semaphore id
diff --git a/lib/libc/sys/semop.2 b/lib/libc/sys/semop.2
index faf0224..b029d3a 100644
--- a/lib/libc/sys/semop.2
+++ b/lib/libc/sys/semop.2
@@ -27,7 +27,7 @@
 .\"
 .Dd September 22, 1995
 .Dt SEMOP 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm semop
 .Nd atomic array of operations on a semaphore set
diff --git a/lib/libc/sys/send.2 b/lib/libc/sys/send.2
index 1920059..f5749ee 100644
--- a/lib/libc/sys/send.2
+++ b/lib/libc/sys/send.2
@@ -34,7 +34,7 @@
 .\"
 .Dd February 15, 1995
 .Dt SEND 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm send ,
 .Nm sendto ,
diff --git a/lib/libc/sys/setgroups.2 b/lib/libc/sys/setgroups.2
index 43726bb..0974f93 100644
--- a/lib/libc/sys/setgroups.2
+++ b/lib/libc/sys/setgroups.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 16, 1994
 .Dt SETGROUPS 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm setgroups
 .Nd set group access list
diff --git a/lib/libc/sys/setpgid.2 b/lib/libc/sys/setpgid.2
index 0db4d28..c5c8cec 100644
--- a/lib/libc/sys/setpgid.2
+++ b/lib/libc/sys/setpgid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SETPGID 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm setpgid ,
 .Nm setpgrp
diff --git a/lib/libc/sys/setregid.2 b/lib/libc/sys/setregid.2
index f796856..358920b 100644
--- a/lib/libc/sys/setregid.2
+++ b/lib/libc/sys/setregid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 16, 1994
 .Dt SETREGID 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm setregid
 .Nd set real and effective group ID
diff --git a/lib/libc/sys/setreuid.2 b/lib/libc/sys/setreuid.2
index af8965f..102d32b 100644
--- a/lib/libc/sys/setreuid.2
+++ b/lib/libc/sys/setreuid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd February 8, 2001
 .Dt SETREUID 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm setreuid
 .Nd set real and effective user ID's
diff --git a/lib/libc/sys/setuid.2 b/lib/libc/sys/setuid.2
index e9cccd7..9374e93 100644
--- a/lib/libc/sys/setuid.2
+++ b/lib/libc/sys/setuid.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SETUID 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm setuid ,
 .Nm seteuid ,
diff --git a/lib/libc/sys/shmat.2 b/lib/libc/sys/shmat.2
index 3140847..3c3e40f 100644
--- a/lib/libc/sys/shmat.2
+++ b/lib/libc/sys/shmat.2
@@ -27,7 +27,7 @@
 .\"
 .Dd August 2, 1995
 .Dt SHMAT 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm shmat ,
 .Nm shmdt
diff --git a/lib/libc/sys/shmctl.2 b/lib/libc/sys/shmctl.2
index 9b5e876..9288bb5 100644
--- a/lib/libc/sys/shmctl.2
+++ b/lib/libc/sys/shmctl.2
@@ -27,7 +27,7 @@
 .\"
 .Dd July 17, 1995
 .Dt SHMCTL 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm shmctl
 .Nd shared memory control
diff --git a/lib/libc/sys/shmget.2 b/lib/libc/sys/shmget.2
index 05bc68c..bf0bb58 100644
--- a/lib/libc/sys/shmget.2
+++ b/lib/libc/sys/shmget.2
@@ -27,7 +27,7 @@
 .\"
 .Dd July 3, 1995
 .Dt SHMGET 2
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm shmget
 .Nd obtain a shared memory identifier
diff --git a/lib/libc/sys/sigaltstack.2 b/lib/libc/sys/sigaltstack.2
index b7f8d3a..171cafc 100644
--- a/lib/libc/sys/sigaltstack.2
+++ b/lib/libc/sys/sigaltstack.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 1, 1995
 .Dt SIGALTSTACK 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm sigaltstack
 .Nd set and/or get signal stack context
diff --git a/lib/libc/sys/sigreturn.2 b/lib/libc/sys/sigreturn.2
index c5185fe..674f453 100644
--- a/lib/libc/sys/sigreturn.2
+++ b/lib/libc/sys/sigreturn.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SIGRETURN 2
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm sigreturn
 .Nd return from signal
diff --git a/lib/libc/sys/sigstack.2 b/lib/libc/sys/sigstack.2
index 4726fd9..61f58db 100644
--- a/lib/libc/sys/sigstack.2
+++ b/lib/libc/sys/sigstack.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SIGSTACK 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm sigstack
 .Nd set and/or get signal stack context
diff --git a/lib/libc/sys/socket.2 b/lib/libc/sys/socket.2
index a3fb618..ef98bf5 100644
--- a/lib/libc/sys/socket.2
+++ b/lib/libc/sys/socket.2
@@ -34,7 +34,7 @@
 .\"
 .Dd November 24, 1997
 .Dt SOCKET 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm socket
 .Nd create an endpoint for communication
diff --git a/lib/libc/sys/socketpair.2 b/lib/libc/sys/socketpair.2
index ae4c337..1c5a15f 100644
--- a/lib/libc/sys/socketpair.2
+++ b/lib/libc/sys/socketpair.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SOCKETPAIR 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm socketpair
 .Nd create a pair of connected sockets
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index e611913..f65c970 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -34,7 +34,7 @@
 .\"
 .Dd May 1, 1995
 .Dt STAT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm stat ,
 .Nm lstat ,
diff --git a/lib/libc/sys/swapon.2 b/lib/libc/sys/swapon.2
index 998d9a4..1eb2b05 100644
--- a/lib/libc/sys/swapon.2
+++ b/lib/libc/sys/swapon.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SWAPON 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm swapon
 .Nd add a swap device for interleaved paging/swapping
diff --git a/lib/libc/sys/symlink.2 b/lib/libc/sys/symlink.2
index 92e1849..ea3ca38 100644
--- a/lib/libc/sys/symlink.2
+++ b/lib/libc/sys/symlink.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SYMLINK 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm symlink
 .Nd make symbolic link to a file
diff --git a/lib/libc/sys/sync.2 b/lib/libc/sys/sync.2
index 9e88b6b..f5e112c 100644
--- a/lib/libc/sys/sync.2
+++ b/lib/libc/sys/sync.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt SYNC 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm sync
 .Nd "schedule filesystem updates"
diff --git a/lib/libc/sys/syscall.2 b/lib/libc/sys/syscall.2
index f30e2ff..ea8d639 100644
--- a/lib/libc/sys/syscall.2
+++ b/lib/libc/sys/syscall.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 16, 1993
 .Dt SYSCALL 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm syscall ,
 .Nm __syscall
diff --git a/lib/libc/sys/truncate.2 b/lib/libc/sys/truncate.2
index 7456adc..fb3311f 100644
--- a/lib/libc/sys/truncate.2
+++ b/lib/libc/sys/truncate.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt TRUNCATE 2
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm truncate ,
 .Nm ftruncate
diff --git a/lib/libc/sys/umask.2 b/lib/libc/sys/umask.2
index eb6064e..4e7815b 100644
--- a/lib/libc/sys/umask.2
+++ b/lib/libc/sys/umask.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt UMASK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm umask
 .Nd set file creation mode mask
diff --git a/lib/libc/sys/undelete.2 b/lib/libc/sys/undelete.2
index be92aff..b9ba8af 100644
--- a/lib/libc/sys/undelete.2
+++ b/lib/libc/sys/undelete.2
@@ -35,7 +35,7 @@
 .\"
 .Dd October 18, 1994
 .Dt UNDELETE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm undelete
 .Nd attempt to recover a deleted file
diff --git a/lib/libc/sys/unlink.2 b/lib/libc/sys/unlink.2
index 15fe844..c547825 100644
--- a/lib/libc/sys/unlink.2
+++ b/lib/libc/sys/unlink.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt UNLINK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm unlink
 .Nd remove directory entry
diff --git a/lib/libc/sys/vfork.2 b/lib/libc/sys/vfork.2
index 838fdc5..91a28ee 100644
--- a/lib/libc/sys/vfork.2
+++ b/lib/libc/sys/vfork.2
@@ -34,7 +34,7 @@
 .\"
 .Dd June 4, 1993
 .Dt VFORK 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm vfork
 .Nd spawn new process in a virtual memory efficient way
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2
index 598597e..3fa5c2b 100644
--- a/lib/libc/sys/wait.2
+++ b/lib/libc/sys/wait.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt WAIT 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm wait ,
 .Nm waitpid ,
diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2
index a306cc1..255447d 100644
--- a/lib/libc/sys/write.2
+++ b/lib/libc/sys/write.2
@@ -34,7 +34,7 @@
 .\"
 .Dd April 2, 1994
 .Dt WRITE 2
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm write ,
 .Nm writev ,