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Loadable kernel modules in Linux are loaded (and unloaded) by the modprobe command. They are located in /lib/modules or /usr/lib/modules and have had the extension .ko ("kernel object") since version 2.6 (previous versions used the .o extension). [5] The lsmod command lists the loaded kernel modules.
lsmod is a command on Linux systems that lists each loadable kernel module that is loaded.. Example output from lsmod: . Module Size Used by af_packet 27392 2 8139too 30592 0 snd_cs46xx 96872 3 snd_pcm_oss 55808 1 snd_mixer_oss 21760 2 snd_pcm_oss ip6table_filter 7424 1 ip6_tables 19728 1 ip6table_filter ipv6 290404 22 xfs 568384 4 sis900 18052 5 libata 169920 1 pata_sis scsi_mod 158316 3 usb ...
modprobe is a Linux program that provides for loading a loadable kernel module into a Linux kernel, unloading a loaded module and many other related features.It provides an ability to make decisions about which modules to load, awareness of module dependencies, so that when requested to load a module, it adds other required modules first and resolution of recursive module dependencies.
Environment Modules on Scientific Linux, CentOS, and Red Hat Enterprise Linux distributions in the environment-modules package include modules.csh and modules.sh scripts for the /etc/profile.d directory that make modules initialization part of the default shell initialization. One of the advantages of Environment Modules is a single modulefile ...
Linux Security Modules (LSM) is a framework allowing the Linux kernel to support, without bias, a variety of computer security models.LSM is licensed under the terms of the GNU General Public License and is a standard part of the Linux kernel since Linux 2.6.
The proc filesystem (procfs) is a special filesystem in Unix-like operating systems that presents information about processes and other system information in a hierarchical file-like structure, providing a more convenient and standardized method for dynamically accessing process data held in the kernel than traditional tracing methods or direct access to kernel memory.
Modular operating systems such as OS-9 and most modern monolithic-kernel operating systems such as OpenVMS, Linux, FreeBSD, NetBSD, DragonFly BSD, Solaris, and AIX can dynamically load (and unload) executable kernel modules at runtime. This modularity of the operating system is at the binary (image) level and not at the architecture level.
udev (userspace /dev) is a device manager for the Linux kernel.As the successor of devfsd and hotplug, udev primarily manages device nodes in the /dev directory. At the same time, udev also handles all user space events raised when hardware devices are added into the system or removed from it, including firmware loading as required by certain devices.