Linux 9 commands

Since the working relationship started using the Linux system, after a year of use, now record 9 commands that are not easy to remember but are important.

1 su Switch User

Su-root/su root is different, Su-also switches the corresponding user's environment variables

2 grep Lookup

Grep-rn "Hello World"

-R recursion

-N Display Line number

3 Netstat Network information

Netstat-al

-A All

-L Monitoring

-T TCP

-U UDP

4 PS Viewing process

Ps-ef

-E All

-F Display UID PPID

5 chmod Modify Permissions

Chmod-r 700

6 Reboot/shutdown-r now shutdown

7 Find

Find/-name "Hello"

8 Yum Download Dependency pack

Yum Install netstat

9 Man Help Info

Mans netstat

PS: Common folders

/etc/init.d/. Some service services

/etc/yum.repos.d/Warehouse

/etc/hosts

Linux 9 commands