| 1 | lsmod
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| 2 | ===
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| 3 |
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| 4 | 显示已载入系统的模块
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| 5 |
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| 6 | ## 补充说明
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| 7 |
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| 8 | **lsmod命令** 用于显示已经加载到内核中的模块的状态信息。执行lsmod命令后会列出所有已载入系统的模块。Linux操作系统的核心具有模块化的特性，应此在编译核心时，务须把全部的功能都放入核心。您可以将这些功能编译成一个个单独的模块，待需要时再分别载入。
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| 9 |
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| 10 | ### 语法
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| 11 |
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| 12 | ```shell
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| 13 | lsmod
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| 14 | ```
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| 15 |
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| 16 | ### 实例
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| 17 |
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| 18 | ```shell
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| 19 | [root@LinServ-1 ~]# lsmod
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| 20 | Module Size Used by
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| 21 | ipv6 272801 15
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| 22 | xfrm_nalgo 13381 1 ipv6
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| 23 | crypto_api 12609 1 xfrm_nalgo
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| 24 | ip_conntrack_ftp 11569 0
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| 25 | xt_limit 6721 2
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| 26 | xt_state 6209 2
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| 27 | ip_conntrack 53665 2 ip_conntrack_ftp,xt_state
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| 28 | nfnetlink 10713 1 ip_conntrack
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| 29 | xt_tcpudp 7105 6
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| 30 | xt_multiport 7233 1
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| 31 | iptable_filter 7105 1
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| 32 | ip_tables 17029 1 iptable_filter
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| 33 | x_tables 17349 5 xt_limit,xt_state,xt_tcpudp,xt_multiport,ip_tables
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| 34 | dm_mirror 24393 0
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| 35 | dm_multipath 27213 0
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| 36 | scsi_dh 12481 1 dm_multipath
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| 37 | video 21193 0
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| 38 | backlight 10049 1 video
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| 39 | sbs 18533 0
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| 40 | power_meter 16461 0
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| 41 | hwmon 7365 1 power_meter
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| 42 | i2c_ec 9025 1 sbs
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| 43 | dell_wmi 8401 0
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| 44 | wmi 12137 1 dell_wmi
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| 45 | button 10705 0
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| 46 | battery 13637 0
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| 47 | asus_acpi 19289 0
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| 48 | ac 9157 0
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| 49 | lp 15849 0
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| 50 | snd_hda_intel 401453 0
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| 51 | snd_seq_dummy 7877 0
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| 52 | snd_seq_oss 32577 0
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| 53 | snd_seq_midi_event 11073 1 snd_seq_oss
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| 54 | snd_seq 49585 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
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| 55 | snd_seq_device 11725 3 snd_seq_dummy,snd_seq_oss,snd_seq
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| 56 | snd_pcm_oss 42817 0
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| 57 | snd_mixer_oss 19009 1 snd_pcm_oss
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| 58 | snd_pcm 72517 2 snd_hda_intel,snd_pcm_oss
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| 59 | ide_cd 40161 0
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| 60 | snd_timer 24517 2 snd_seq,snd_pcm
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| 61 | tpm_tis 16713 0
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| 62 | r8169 43077 0
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| 63 | snd_page_alloc 14281 2 snd_hda_intel,snd_pcm
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| 64 | tpm 19041 1 tpm_tis
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| 65 | i2c_i801 12737 0
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| 66 | mii 9409 1 r8169
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| 67 | serio_raw 10693 0
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| 68 | i2c_core 24897 2 i2c_ec,i2c_i801
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| 69 | snd_hwdep 12869 1 snd_hda_intel
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| 70 | tpm_bios 11073 1 tpm
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| 71 | cdrom 36577 1 ide_cd
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| 72 | pcspkr 7105 0
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| 73 | parport_pc 29669 1
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| 74 | sg 36973 0
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| 75 | snd 57797 9 snd_hda_intel,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep
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| 76 | parport 37513 2 lp,parport_pc
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| 77 | soundcore 11553 1 snd
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| 78 | dm_raid45 67273 0
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| 79 | dm_message 6977 1 dm_raid45
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| 80 | dm_region_hash 15681 1 dm_raid45
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| 81 | dm_log 14785 3 dm_mirror,dm_raid45,dm_region_hash
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| 82 | dm_mod 63993 4 dm_mirror,dm_multipath,dm_raid45,dm_log
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| 83 | dm_mem_cache 9537 1 dm_raid45
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| 84 | ata_piix 23749 4
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| 85 | libata 158085 1 ata_piix
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| 86 | sd_mod 25409 6
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| 87 | scsi_mod 144277 4 scsi_dh,sg,libata,sd_mod
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| 88 | ext3 126281 3
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| 89 | jbd 57705 1 ext3
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| 90 | uhci_hcd 25421 0
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| 91 | ohci_hcd 24937 0
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| 92 | ehci_hcd 34509 0
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| 93 | ```
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| 94 |
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| 95 | * 第1列：表示模块的名称。
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| 96 | * 第2列：表示模块的大小。
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| 97 | * 第3列：表示依赖模块的个数。
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| 98 | * 第4列：表示依赖模块的内容。
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| 99 |
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| 100 | 通常在使用lsmod命令时，都会采用类似`lsmod | grep -i ext3`这样的命令来查询当前系统是否加载了某些模块。
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| 102 |
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