Linux Common directives

The group has a Linux development beauty, Linux command mastered to the point of perfection.

Get this opportunity, learn some, summarize the commonly used instructions, not regularly updated to supplement.

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I. Catalogue

1.cd "Directory"-Locate directory

2.cd. -Current Directory

3.cd.. -Return to the upper directory

4.CD ~-Current User root directory

5.CD/-Locating the root directory

6.pwd-View current directory

7.ls-View files in the current directory

8.ls-l file name-View a file details (permissions or whatever)

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Two. Documentation

1.mkdir-Create a directory

2.touch-Create File

3.cat-View File contents

4.vi/vim-Edit File

5.vi/vim Command mode, I is the insert operation,: Instruction mode, Wq save exit, Q exit directly,! Q Force exit, ESC exits insert mode

6.RM-Delete Files

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Three. Program Chapter

1../executable file-Execute file

2./executable file-parameters-file configuration file execute executable file according to configuration file and parameters

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Four. Account Permissions Chapter

1.SU-Switch to Super Uer Ultra user mode

2. In super User mode, exit mode

3.SU account name-switch account

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Five. Network Chapter

1.NETSTAT-APN | grep 80 Querying port information

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Six. Service Chapter

1.service iptables Status View firewall status2.service iptables start to turn on the firewall3.service iptables stop shutdown firewall4.service iptables Restart reboot firewall 5.serivce iptables save Save settings for Firewall 6. Firewall configuration file-/etc/sysconfig/iptables7. Add Configuration Rule -a rh-firewall-1-input-m state--state new-m tcp-p TCP--dport 8080-j ACCEPT (open a port to put the rule to the last of the INPUT rules BAR) --------------------------------------------------------------------------------------

Seven. System operating Chapter

1.reboot Restart Now

2.shutdown-r now reboot (root user)

3.poweroff immediately shut down the machine

4.shutdown-h now shuts down (root user)

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PS: Not updated regularly, not authoritative, only for their own inspection.

Linux Common directives