unzip
After unzip / compressed file path -d / decompression storage path
Seek
find.-name under "File name" # current directory to find
find / -name "filename" # from the root directory to start looking
whereis filename
copy
cp / path1 / path2 # copied to the path1 path2
Heavy naming
mv 123 abc # 123 will rename abc
This command can also be used to move
Switch User
su # root user switching
su - username to switch to a user #
Find and delete certain files
find . -type d -name ".svn"|xargs rm -rf;
Refresh environment variable
source
./ (dot slash) means that the execution of the current one executable file in the directory. .Exe file
. / (Dot space slash) is equivalent to a script. Binary files in the root directory of the source (I do not quite understand, have time to try, come back to writing about)
Empty the entire contents in vim
In command mode dG emptied the Bank and the following
Enter the next line mode:% d #% represents select all rows, d represents the deleted
Clear file contents in the shell
>echo >filename
Find and Replace
% S / content to replace / alternative content / g #% plus represented globally, without showing the Bank's range, g represents the final match to replace all