Linux system view hardware and System Information Common command summary

Uname–a # Linux System Information command to view kernel/Os/cpu information
head-n 1/etc/issue # View OS version, is the number 1 not the letter L
Cat/proc/cpuinfo # Linux System Information command to view CPU information
hostname # View Linux System Information command for computer name
LSPCI-TV # List all PCI devices
LSUSB-TV # Lists Linux System Information commands for all USB devices
Lsmod # List of loaded kernel modules
env # View environment variable Resources
free-m # View memory usage and swap area usage
df-h # Viewing the usage of each partition
Du-sh # Viewing the size of a specified directory
grep memtotal/proc/meminfo # view Total Memory
grep memfree/proc/meminfo # Viewing the amount of free memory
Uptime # View System uptime, number of users, load
Cat/proc/loadavg # Viewing system load disks and partitions
Mount | column-t # View the status of the attached partition
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 # VIEW IDE device detection network at startup
ifconfig # View the properties of all network interfaces
iptables-l # View firewall settings
Route-n # Viewing the routing table
NETSTAT-LNTP # View all listening ports
NETSTAT-ANTP # View all established connections
Netstat-s # Viewing the network statistics process
Ps-ef # View All Processes
Top # Real-time display of process status users
W # View active Users
ID # View specified user information
Last # View user log in log
cut-d:-f1/etc/passwd # View All users of the system
cut-d:-f1/etc/group # View all system groups
crontab-l # View the current user's scheduled tasks service
chkconfig–list # List all system services
chkconfig–list | grep on # list all started system services
Rpm-qa # View all installed packages
Cat/proc/cpuinfo # Linux system commands for viewing CPU-related parameters
cat/proc/partitions # View System Information commands for Linux hard disk and partition information
Cat/proc/meminfo # Linux system commands to view Linux system memory information
cat/proc/version # View version, similar to Uname-r
cat/proc/ioports # Viewing device IO ports
cat/proc/interrupts # Viewing interrupts
CAT/PROC/PCI # Viewing information for PCI devices
Cat/proc/swaps # View information for all swap partitions

Linux system view hardware and System Information Common command summary