diff --git a/rtl/posix/posix.pp b/rtl/posix/posix.pp
new file mode 100644
index 0000000000..815d874bbe
--- /dev/null
+++ b/rtl/posix/posix.pp
@@ -0,0 +1,138 @@
+{
+    $Id$
+    This file is part of the Free Pascal run time library.
+    Copyright (c) 2001 by Carl Eric Codere
+    development team
+
+    POSIX Compliant interface unit
+
+    See the file COPYING.FPC, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+unit posix;
+
+interface
+
+{***********************************************************************}
+{                       POSIX PUBLIC INTERFACE                          }
+{***********************************************************************}
+
+
+{$i errno.inc}
+{$i osposixh.inc}
+
+type tgrparr = array[0..0] of gid_t;		{ C style array workarounds}
+     tfildes = array[0..1] of cint;
+
+    function sys_sigemptyset(var _set : sigset_t): cint;
+    function sys_sigfillset(var _set : sigset_t): cint;
+    function sys_sigaddset(var _set : sigset_t; signo : cint): cint;
+    function sys_sigdelset(var _set : sigset_t; signo : cint): cint;
+    function sys_sigismember(const _set : sigset_t; signo : cint): cint;
+    function sys_sigprocmask(how : cint; var _set : sigset_t; var _oset : sigset_t): cint;
+    function sys_sigpending(var _set : sigset_t): cint;
+    function sys_sigsuspend(const sigmask : sigset_t): cint;
+
+    function sys_umask(cmask : mode_t): mode_t;
+    function sys_link(existing : pchar; _new : pchar): cint;
+    function sys_mkfifo(path : pchar; mode : mode_t): cint;
+    function sys_chmod(path : pchar; mode : mode_t): cint;
+    function sys_chown(path: pchar; owner : uid_t; group : gid_t): cint;
+    function sys_utime(path : pchar; times : putimbuf): cint;
+    function sys_pipe(var fildes : tfildes):cint;
+    function sys_dup(fildes : cint): cint;
+    function sys_dup2(fildes, fildes2 : cint): cint;
+    function sys_times(var buffer : tms): clock_t;
+
+    function sys_alarm(seconds : cuint): cuint;
+    function sys_pause : cint;
+    function sys_sleep(seconds : cuint): cuint;
+ 
+    function sys_getpid : pid_t;
+    function sys_getppid : pid_t;
+    function sys_getuid : uid_t;
+    function sys_geteuid : uid_t;
+    function sys_getgid : gid_t;
+    function sys_getegid : gid_t;
+    function sys_setuid(uid : uid_t): cint;
+    function sys_setgid(gid : gid_t): cint;
+    function sys_getgroups(gidsetsize : cint; var grouplist : tgrparr): cint;
+    function sys_getpgrp : pid_t;
+    function sys_setsid : pid_t;
+    function sys_fcntl(fildes : cint; cmd : cint): cint;
+    function sys_fcntl(fildes : cint; cmd : cint; arg : cint): cint;
+    function sys_fcntl(fildes : cint; cmd : cint; var arg : flock): cint;
+
+    function sys_getcwd(pt:pchar; _size:size_t):pchar;
+    function sys_fork : pid_t;
+    function sys_execve(path : pchar; argv : ppchar; envp: ppchar): cint;
+    function sys_execv(path : pchar; argv : ppchar): cint;
+    function sys_waitpid(pid : pid_t; var stat_loc : cint; options: cint): pid_t;
+    function sys_wait(var stat_loc : cint): pid_t;
+    procedure sys_exit(status : cint);
+    function sys_kill(pid : pid_t; sig: cint): cint;
+    { get system specific information }
+    function sys_uname(var name: utsname): cint;
+    function sys_opendir(const dirname : pchar): pdir;
+    function sys_readdir(var dirp : dir) : pdirent;
+    function sys_closedir(var dirp : dir): cint;
+    function sys_chdir(const path : pchar): cint;
+    function sys_open(const path: pchar; flags : cint; mode: mode_t):cint;
+    function sys_mkdir(const path : pchar; mode: mode_t):cint;
+    function sys_unlink(const path: pchar): cint;
+    function sys_rmdir(const path : pchar): cint;
+    function sys_rename(const old : pchar; const newpath: pchar): cint;
+    function sys_fstat(fd : cint; var sb : stat): cint;
+    function sys_stat(const path: pchar; var buf : stat): cint;
+    function sys_access(const pathname : pchar; amode : cint): cint;
+    function sys_close(fd : cint): cint;
+    function sys_read(fd: cint; buf: pchar; nbytes : size_t): ssize_t;
+    function sys_write(fd: cint;const buf:pchar; nbytes : size_t): ssize_t;
+    function sys_lseek(fd : cint; offset : off_t; whence : cint): off_t;
+    function sys_time(var tloc:time_t): time_t;
+    function sys_ftruncate(fd : cint; flength : off_t): cint;
+
+    function sys_getenv(const name : pchar): pchar;
+    function sys_getenv(name : string): pchar;
+
+    function S_ISDIR(m : mode_t): boolean;
+    function S_ISCHR(m : mode_t): boolean;
+    function S_ISBLK(m : mode_t): boolean;
+    function S_ISREG(m : mode_t): boolean;
+    function S_ISFIFO(m : mode_t): boolean;
+
+    function wifexited(status : cint): cint;
+    function wexitstatus(status : cint): cint;
+    function wstopsig(status : cint): cint;
+    function wifsignaled(status : cint): cint;
+    function wtermsig(status : cint): cint;
+    
+implementation
+
+{$i osposix.inc}
+
+end.
+
+{
+  $Log$
+  Revision 1.2  2002-11-14 12:17:28  marco
+   * for now.
+
+  Revision 1.2  2002/08/10 13:42:36  marco
+   * Fixes Posix dir copied to devel branch
+
+  Revision 1.1.2.2  2001/12/09 03:31:56  carl
+  + wifsignaled() added
+
+  Revision 1.1.2.1  2001/12/04 02:29:59  carl
+  + posix unit template file
+
+  Revision 1.1.2.1  2001/08/15 01:06:32  carl
+  + first version of posix unit
+
+}
\ No newline at end of file