Linux notes (1)

su-root; Switch to Administrator

Exit quit current Account

Init 0 Shutdown System

Init 6 Restart

Shutdown-h immediately shut down the machine

Who's Landing terminal?

WhoAmI Current account Name

Date 031511112011 change time to March 15, 2011 11:11

Cal Current Year calendar

Cal 1999 View 1999 calendar

Clear Clear

passwd change the current account password

Echo 123 Show 123

Echo 123 | passwd--stdin (Accept input) 123 as the password after the passwd changed

Command--help View command Help

ls/Browse root directory

Ls/bin Browse the Bin directory under the root directory

mkdir/a new A directory under current directory

Mkdir-p b/g new B directory and its subdirectories g

LS--help | Help for less LS paging query

ls-d b/g View all files or directories in the G directory under B directory

MV b/g b/h Change the subdirectory g directory under the B directory of the current location to the H directory

MV b/h A moves the subdirectory G directory under the B directory of the current location to the a directory at the current location

Rm-r-F a force (-f) To delete all information in the current a directory

Touch b/1.txt new 1.txt file in current B directory

Cat B/1.txt querying the content of new 1.txt files in the current B directory

chmod 777 B/1.txt Add read and Write permission to add 1.txt file under B directory

More/etc/fstab View the contents of the Fstab file under the ETC directory in the root directory by showing the remaining percentage

Tail-f/etc/fstab Real-time Dynamic monitoring View the contents of the Fstab file under the ETC directory in the root directory

echo AAA > B/1.txt Overlay AAA content into B/1.txt file

echo BBB >> b/1.txt append BBB to b/1.txt file and wrap

Linux notes (1)