Shulou(Shulou.com)06/01 Report--

This article mainly introduces the "introduction of system information query commands commonly used under Linux". In daily operation, I believe that many people have doubts about the introduction of system information query commands commonly used under Linux. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts of "introduction of system information query commands commonly used under Linux". Next, please follow the editor to study!

This is the text version:

System information

# uname-a # View kernel / operating system / cpu information

# cat / etc/issue # View operating system version

# cat / proc/version # contains version information of GCC

# cat / proc/cpuinfo # View CPU information

# hostname # View computer name

# lspci-tv # list all pci devices

# lsusb-tv # list all usb devices

# lsmod # list the loaded kernel modules

# env # View environment variables

Resource information

# free-m # View memory usage and swap area usage

# df-h # View the usage of each partition

# du-sh # View the size of the specified directory

# grep MemTotal / proc/meminfo # check the total memory

# grep MemFree / proc/meminfo # View the total free memory

# uptime # View system run time, number of users, and load

# cat / proc/loadavg # View system load

Disk information

# mount | column-t # to view the status of attached partitions

# fdisk-l # View all partitions

# swapon-s # View all swap partitions

# hdparm-I / dev/hda # View disk parameters (for ide devices only)

# dmesg | grep IDE # check the detection status of IDE devices at startup

Network information

# ifconfig # View the properties of all network interfaces

# iptables-L # View firewall settings

# route-n # View the routing table

# netstat-lntp # View all listening ports

# netstat-antp # View established connections

Process information

# ps-ef # View all processes

# top # Real-time display of process status

User information

# w # View active users

# id # View specified user information

# last # View user login log

# cut-d:-F1 / etc/passwd # View all users of the system

# cut-d:-F1 / etc/group # View all groups of the system

# crontab-l # View the current user's scheduled tasks

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At this point, the study on the "introduction of system information query commands commonly used under Linux" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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