Linux Common Commands CD command, enter the specified path example: Cd/home Enter home path  CD. /test Enter the parent directory under the test path . Represents the current directory /represents the root directory .. On behalf of the parent directory ls command, view the folder contents example: Ls/home View files under Home file ls/home/test View file contents of Home/test path LS-A /home View the files under the file include hidden files Ll/home View the contents of the file under Home file display details tar command Package Command example: Tar-cvf/tmp/etc.tar/ ETC Package files in the entire/etc directory into/tmp/etc.tar TAR-XZVF test.tar Unzip test file  CP command, copy file example: cp/test/ Log/catalina.out/home Copy the Catalina file under test/log/to the home file  MV command, moving file example: Mv/test/log/catalina.out/home Talk tets/log/under the Catalina file to move to the home file tail command, view file end Information Example: Tail catalina.out View Catalina.out End information tail-f catalina.out dynamic View catalina.out file end Info more command, view file example: More log.out View log file contents from scratch Service Tomcat Status View Tomcat Service status service Tomcat stop stop Tomcat Services service Tomcat start start Tomcat Service vi command, Edit File Example: VI test.h Edit test.h file edit: Press I to enter the edit state, press ESC to enter the command state,: Q Exit,: W Save,: Wq save exit,:!q Force quit mkdir command, create file example: mkdir AA create AA folder mkdir-p/aa/bb/cc create multilevel file rm command, Delete File Example: RM cc Delete cc folder rm-r AA Delete all contents of AA file chmod command, assign permission example: chmod 777 AA Assign AA file all roles have read and write execution permission chmod +x AA Assign the AA file executable permissions su command, switch User example: Su oracle switch to Oracle user High User Switching privilege users do not need to enter a password, in turn, you need to enter the password ps command, View process Status Example: Ps-ef |grep Java View Java Process kill command, end process example kii-9 1234 Force End Process ipconfig command for process number 1234, view network configuration RPM command, install command example: RPM-IVH aa.rpm install AA file top command to view system real-time load situation shutdown-h now shut down system
Init 0 Shutdown system Shutdown-r now restart
Reboot Restart init 6 Restart Find File example: Find/-name file from '/' start to root file system search for files and directories
Mount/umount mount/unmount File System example: MOUNT/DEV/HDA2/MNT/HDA2 mount a disk called hda2-ok directory '/mnt/hda2 ' already exists
UMOUNT/DEV/HDA2 unload a disk called Hda2-exit users and groups from Mount Point '/mnt/hda2 '
Groupadd group_name Create a new user group
Groupdel group_name Delete a user group
Users and Groups
Groupadd group_name Create a new user group
Groupdel group_name Delete a user group ('-R ' exclude home directory)
Ifconfig View Network Information: Example: Ifconfig eth0 shows the configuration of an Ethernet card
PWD command: Displays the current working directory in the terminal full path Linux under Import data script: 1, enter Linux under: 2, vi test.sql (test.sql file content: @@ 路径 data. sql) 3, switch Oracle user login, modify character set 4, Sqlplus Enter user name password @test.sql
Linux Common commands
