Linux-lsxxx

Linux-lsxxx

ls	list directory contents	列出文件及目录
lsattr	List file attributes on a Linux second extended file system	在Linux第二个扩展文件系统上列出文件属性
lsblk	List block devices	列出块设备, 还有blkid可用
lscpu	Display information about the CPU architecture	显示有关CPU架构的信息
lshw	List hardware	列出硬件
lsinitcpio	Examine an initramfs	检查initramfs
lsipc	Show information on IPC facilities currently employed in the system	显示系统中当前使用的IPC设施的信息
lslocks	List local system locks	列出本地系统锁
lslogins	Display information about known users in the system	显示有关系统中已知用户的信息
lsmem	List the ranges of available memory with their online status	列出可用内存的在线状态范围
lsmod	Show the status of modules in the Linux Kernel	显示Linux内核中模块的状态
lsns	List namespaces	列出命名空间
lsof	List open files	列出打开的文件
lspci	List all PCI devices	列出所有PCI设备
lsusb	List USB devices	列出USB设备
lsusb.py	Executable, 15kB	更详细的列出USB设备
lsoptdepends	Executable, 2.5kB	依赖项?

lsoptdepends是什么？
先看看帮助: $ lsoptdepends -h

lsoptdepends		最后一列是(wc -l)统计的行数	932
-u	only list uninstalled optdepends	仅列出已卸载的optdepends	504
--orphan	list installed optdepends that are not hard deps of any package	列出已安装的optdepends，它们不是任何软件包的硬件代码	88
-q	only print package names	只打印包名	399

查询来源
$ sudo pacman -Qo lsoptdepends
/usr/bin/lsoptdepends is owned by pyalpm 0.8.5-2

$ sudo pacman -Qi pyalpm
Description     : Libalpm bindings for Python 3
Required By     : namcap
Install Reason  : Installed as a dependency for another package

$ sudo pacman -Qi namcap
Description     : A Pacman package analyzer
Required By     : None
Install Date    : Thu 28 Mar 2019 06:23:36 PM CST
Install Reason  : Explicitly installed