Xin Xing sorts out common query commands in Linux, and Xin Xing sorts out linux commands.

Xin Xing sorts out common query commands in Linux, and Xin Xing sorts out linux commands.

View version, operating system, or cpu Information

File:/etc/issue view OS version/proc/cpuinfo view cpu Information

Command: hostname to view the computer name uname to view the operating system information lspci to list all pci devices

Lsusb list all usb devices lsmod list to load modules

View system resource usage

File:/proc/meminfo view memory information/proc/loadavg to view system load

Command: free view memory use df view partition status du view directory size

Fdisk view all partitions swapon view swap partition dmesg view system startup information

View mount information by uptime running time, user, and load mount

 

View Process Information

File:/proc to view information about all processes

Command: ps view process information top Real-Time View Process Information pstree view process relationship information

View Network Information

Command: ifconfig view network interface properties iptables view firewall settings route view route information

Netstat view Network Connections

View user information

File:/etc/passwd view all users of the system/etc/group view all groups of the system

Command: w view active user last view recently logged on user

View service information:

Command chkconfig to view system services