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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>Gentoo Linux Documentation
--
POSIX Capabilities</title>
</head>
<body style="margin:0px;" bgcolor="#ffffff"><table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr><td valign="top" height="125" bgcolor="#45347b"><a href="http://www.gentoo.org/"><img border="0" src="http://www.gentoo.org/images/gtop-www.jpg" alt="Gentoo Logo"></a></td></tr>
<tr><td valign="top" align="right" colspan="1" bgcolor="#ffffff"><table border="0" cellspacing="0" cellpadding="0" width="100%"><tr>
<td width="99%" class="content" valign="top" align="left">
<br><h1>POSIX Capabilities</h1>
<form name="contents" action="http://www.gentoo.org">
<b>Content</b>:
<select name="url" size="1" OnChange="location.href=form.url.options[form.url.selectedIndex].value" style="font-family:sans-serif,Arial,Helvetica"><option value="#doc_chap1">1. CAP_CHOWN</option>
<option value="#doc_chap2">2. CAP_DAC_OVERRIDE</option>
<option value="#doc_chap3">3. CAP_DAC_READ_SEARCH</option>
<option value="#doc_chap4">4. CAP_FOWNER</option>
<option value="#doc_chap5">5. CAP_FSETID</option>
<option value="#doc_chap6">6. CAP_FS_MASK</option>
<option value="#doc_chap7">7. CAP_KILL</option>
<option value="#doc_chap8">8. CAP_SETGID</option>
<option value="#doc_chap9">9. CAP_SETUID</option>
<option value="#doc_chap10">10. CAP_SETPCAP</option>
<option value="#doc_chap11">11. CAP_LINUX_IMMUTABLE</option>
<option value="#doc_chap12">12. CAP_NET_BIND_SERVICE</option>
<option value="#doc_chap13">13. CAP_NET_BROADCAST</option>
<option value="#doc_chap14">14. CAP_NET_ADMIN</option>
<option value="#doc_chap15">15. CAP_NET_RAW</option>
<option value="#doc_chap16">16. CAP_IPC_LOCK</option>
<option value="#doc_chap17">17. CAP_IPC_OWNER</option>
<option value="#doc_chap18">18. CAP_SYS_MODULE</option>
<option value="#doc_chap19">19. CAP_SYS_RAWIO</option>
<option value="#doc_chap20">20. CAP_SYS_CHROOT</option>
<option value="#doc_chap21">21. CAP_SYS_PTRACE</option>
<option value="#doc_chap22">22. CAP_SYS_PACCT</option>
<option value="#doc_chap23">23. CAP_SYS_ADMIN</option>
<option value="#doc_chap24">24. CAP_SYS_BOOT</option>
<option value="#doc_chap25">25. CAP_SYS_NICE</option>
<option value="#doc_chap26">26. CAP_SYS_RESOURCE</option>
<option value="#doc_chap27">27. CAP_SYS_TIME</option>
<option value="#doc_chap28">28. CAP_SYS_TTY_CONFIG</option>
<option value="#doc_chap29">29. CAP_MKNOD</option>
<option value="#doc_chap30">30. CAP_LEASE</option></select>
</form>
<p class="chaphead"><a name="doc_chap1"></a><span class="chapnum">1.
</span>CAP_CHOWN</p>
<a name="doc_chap1_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing1.1: CAP_CHOWN</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_CHOWN</span>
In a system with the [_POSIX_CHOWN_RESTRICTED] option defined,
this overrides the restriction of changing file ownership and
group ownership.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap2"></a><span class="chapnum">2.
</span>CAP_DAC_OVERRIDE</p>
<a name="doc_chap2_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing2.1: CAP_DAC_OVERRIDE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_DAC_OVERRIDE</span>
Override all DAC access, including ACL execute access
if [_POSIX_ACL] is defined.
Excluding DAC access covered by CAP_LINUX_IMMUTABLE.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap3"></a><span class="chapnum">3.
</span>CAP_DAC_READ_SEARCH</p>
<a name="doc_chap3_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing3.1: CAP_DAC_READ_SEARCH</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_DAC_READ_SEARCH</span>
Overrides all DAC restrictions, regarding read and search on files
and directories, including ACL restrictions, if [_POSIX_ACL] is
defined. Excluding DAC access covered by CAP_LINUX_IMMUTABLE.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap4"></a><span class="chapnum">4.
</span>CAP_FOWNER</p>
<a name="doc_chap4_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing4.1: CAP_FOWNER</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_FOWNER</span>
Overrides all restrictions about allowed operations on files, where
file owner ID must be equal to the user ID, except where CAP_FSETID
is applicable. It doesn't override MAC and DAC restrictions.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap5"></a><span class="chapnum">5.
</span>CAP_FSETID</p>
<a name="doc_chap5_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing5.1: CAP_FSETID</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_FSETID</span>
Overrides the following restrictions, that the effective user ID shall
match the file owner ID, when setting the S_ISUID and S_ISGID bits on
that file; that the effective group ID (or one of the supplementary
group IDs) shall match the file owner ID when setting the S_ISGID bit
on that file; that the S_ISUID and S_ISGID bits are cleared on
successful return from chown(2) (not implemented).
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap6"></a><span class="chapnum">6.
</span>CAP_FS_MASK</p>
<a name="doc_chap6_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing6.1: CAP_FS_MASK</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_FS_MASK</span>
Used to decide between falling back on the old suser() or fsuser().
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap7"></a><span class="chapnum">7.
</span>CAP_KILL</p>
<a name="doc_chap7_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing7.1: CAP_KILL</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_KILL</span>
Overrides the restriction, that the real or effective user ID of a process,
sending a signal, must match the real or effective user ID of the process,
receiving the signal.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap8"></a><span class="chapnum">8.
</span>CAP_SETGID</p>
<a name="doc_chap8_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing8.1: CAP_SETGID</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SETGID</span>
Allows setgid(2) manipulation;
Allows setgroups(2);
Allows forged gids on socket credentials passing.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap9"></a><span class="chapnum">9.
</span>CAP_SETUID</p>
<a name="doc_chap9_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing9.1: CAP_SETUID</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SETUID</span>
Allows set*uid(2) manipulation (including fsuid);
Allows forged pids on socket credentials passing.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap10"></a><span class="chapnum">10.
</span>CAP_SETPCAP</p>
<a name="doc_chap10_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing10.1: CAP_SETPCAP</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SETPCAP</span>
Transfer any capability in your permitted set to any pid, remove any capability in your permitted set from any pid.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap11"></a><span class="chapnum">11.
</span>CAP_LINUX_IMMUTABLE</p>
<a name="doc_chap11_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing11.1: CAP_LINUX_IMMUTABLE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_LINUX_IMMUTABLE</span>
Allow modification of S_IMMUTABLE and S_APPEND file attributes.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap12"></a><span class="chapnum">12.
</span>CAP_NET_BIND_SERVICE</p>
<a name="doc_chap12_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing12.1: CAP_NET_BIND_SERVICE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_NET_BIND_SERVICE</span>
Allows binding to TCP/UDP sockets below 1024;
Allows binding to ATM VCIs below 32.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap13"></a><span class="chapnum">13.
</span>CAP_NET_BROADCAST</p>
<a name="doc_chap13_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing13.1: CAP_NET_BROADCAST</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_NET_BROADCAST</span>
Allow broadcasting, listen to multicast.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap14"></a><span class="chapnum">14.
</span>CAP_NET_ADMIN</p>
<a name="doc_chap14_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing14.1: CAP_NET_ADMIN</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_NET_ADMIN</span>
Allow interface configuration;
Allow administration of IP firewall, masquerading and accounting;
Allow setting debug option on sockets;
Allow modification of routing tables;
Allow setting arbitrary process / process group ownership on sockets;
Allow binding to any address for transparent proxying;
Allow setting TOS (type of service);
Allow setting promiscuous mode;
Allow clearing driver statistics;
Allow multicasting;
Allow read/write of devicespecific registers;
Allow activation of ATM control sockets.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap15"></a><span class="chapnum">15.
</span>CAP_NET_RAW</p>
<a name="doc_chap15_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing15.1: CAP_NET_RAW</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_NET_RAW</span>
Allow use of RAW sockets;
Allow use of PACKET sockets.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap16"></a><span class="chapnum">16.
</span>CAP_IPC_LOCK</p>
<a name="doc_chap16_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing16.1: CAP_IPC_LOCK</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_IPC_LOCK</span>
Allow locking of shared memory segments;
Allow mlock and mlockall (which doesn't really have anything to do with IPC).
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap17"></a><span class="chapnum">17.
</span>CAP_IPC_OWNER</p>
<a name="doc_chap17_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing17.1: CAP_IPC_OWNER</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_IPC_OWNER</span>
Override IPC ownership checks.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap18"></a><span class="chapnum">18.
</span>CAP_SYS_MODULE</p>
<a name="doc_chap18_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing18.1: CAP_SYS_MODULE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_MODULE</span>
Insert and remove kernel modules modify kernel without limit;
Modify cap_bset.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap19"></a><span class="chapnum">19.
</span>CAP_SYS_RAWIO</p>
<a name="doc_chap19_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing19.1: CAP_SYS_RAWIO</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_RAWIO</span>
Allow ioperm/iopl access;
Allow sending USB messages to any device via /proc/bus/usb.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap20"></a><span class="chapnum">20.
</span>CAP_SYS_CHROOT</p>
<a name="doc_chap20_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing20.1: CAP_SYS_CHROOT</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_CHROOT</span>
Allow use of chroot().
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap21"></a><span class="chapnum">21.
</span>CAP_SYS_PTRACE</p>
<a name="doc_chap21_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing21.1: CAP_SYS_PTRACE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_PTRACE</span>
Allow ptrace() of any process.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap22"></a><span class="chapnum">22.
</span>CAP_SYS_PACCT</p>
<a name="doc_chap22_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing22.1: CAP_SYS_PACCT</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_PACCT</span>
Allow configuration of process accounting.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap23"></a><span class="chapnum">23.
</span>CAP_SYS_ADMIN</p>
<a name="doc_chap23_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing23.1: CAP_SYS_ADMIN</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_ADMIN</span>
Allow configuration of the secure attention key;
Allow administration of the random device;
Allow examination and configuration of disk quotas;
Allow configuring the kernel's syslog (printk behaviour);
Allow setting the domainname;
Allow setting the hostname;
Allow calling bdflush();
Allow mount() and umount(), setting up new smb connection;
Allow some autofs root ioctls;
Allow nfsservctl; Allow VM86_REQUEST_IRQ;
Allow to read/write pci config on alpha; Allow irix_prctl on mips (setstacksize);
Allow flushing all cache on m68k (sys_cacheflush);
Allow removing semaphores; Used instead of CAP_CHOWN to "chown" IPC message queues, semaphores and shared memory;
Allow locking/unlocking of shared memory segment;
Allow turning swap on/off;
Allow forged pids on socket credentials passing;
Allow setting readahead and flushing buffers on block devices;
Allow setting geometry in floppy driver;
Allow turning DMA on/off in xd driver;
Allow administration of md devices (mostly the above, but some extra ioctls);
Allow tuning the ide driver;
Allow access to the nvram device;
Allow administration of apm_bios, serial and bttv (TV) device;
Allow manufacturer commands in isdn CAPI support driver;
Allow reading nonstandardized portions of pci configuration space;
Allow DDI debug ioctl on sbpcd driver;
Allow setting up serial ports;
Allow sending raw qic117 commands;
Allow enabling/disabling tagged queuing on SCSI controllers and sending arbitrary SCSI commands;
Allow setting encryption key on loopback filesystem.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap24"></a><span class="chapnum">24.
</span>CAP_SYS_BOOT</p>
<a name="doc_chap24_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing24.1: CAP_SYS_BOOT</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_BOOT</span>
Allow use of reboot().
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap25"></a><span class="chapnum">25.
</span>CAP_SYS_NICE</p>
<a name="doc_chap25_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing25.1: CAP_SYS_NICE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_NICE</span>
Allow raising priority and setting priority on other (different UID) processes;
Allow use of FIFO and roundrobin (realtime) scheduling on own processes and setting
the scheduling algorithm used by another process.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap26"></a><span class="chapnum">26.
</span>CAP_SYS_RESOURCE</p>
<a name="doc_chap26_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing26.1: CAP_SYS_RESOURCE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_RESOURCE</span>
Override resource limits. Set resource limits;
Override quota limits;
Override reserved space on ext2 filesystem;
Modify data journaling mode on ext3 filesystem
(uses journaling resources); NOTE: ext2 honors fsuid when checking for
resource overrides, so you can override using fsuid too;
Override size restrictions on IPC message queues;
Allow more than 64hz interrupts from the realtime clock;
Override max number of consoles on console allocation;
Override max number of keymaps.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap27"></a><span class="chapnum">27.
</span>CAP_SYS_TIME</p>
<a name="doc_chap27_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing27.1: CAP_SYS_TIME</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_TIME</span>
Allow manipulation of system clock;
Allow irix_stime on mips;
Allow setting the realtime clock.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap28"></a><span class="chapnum">28.
</span>CAP_SYS_TTY_CONFIG</p>
<a name="doc_chap28_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing28.1: CAP_SYS_TTY_CONFIG</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_SYS_TTY_CONFIG</span>
Allow configuration of tty devices; Allow vhangup() of tty.
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap29"></a><span class="chapnum">29.
</span>CAP_MKNOD</p>
<a name="doc_chap29_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing29.1: CAP_MKNOD</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_MKNOD</span>
Allow the privileged aspects of mknod().
</pre></td></tr>
</table>
<p class="chaphead"><a name="doc_chap30"></a><span class="chapnum">30.
</span>CAP_LEASE</p>
<a name="doc_chap30_pre1"></a><table class="ntable" width="100%" cellspacing="0" cellpadding="0" border="0">
<tr><td bgcolor="#7a5ada"><p class="codetitle">Code Listing30.1: CAP_LEASE</p></td></tr>
<tr><td bgcolor="#eeeeff" align="left" dir="ltr"><pre>
<span class="code-input">CAP_LEASE</span>
Allow taking of leases on files.
</pre></td></tr>
</table>
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<tr><td class="topsep" align="center"><p class="alttext">Updated January 22, 2005</p></td></tr>
<tr><td class="topsep" align="left"><p class="alttext"><b>Summary: </b>
POSIX capabilities are a partitioning of the all powerful root privilege into a
set of distinct privileges
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<a href="mailto:solar@gentoo.org" class="altlink"><b>solar</b></a>
<br><i>Author</i><br><br>
Adam Mondl
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