Linux Basics
/ (Root folder) into root and home /
1.cd command
cd ~ home folder (a folder in Home)
cd .. back to the parent folder
cd / home / start absolute path from the root folder
cd admin-a relative path
cd - look back at the function
pwd absolute path to the current folder
Command to view the folder directory 2.ls command
Ls directory folder view
ls -a view all of the folder directory
ls -l directory folder view details
ls -lh view details directory folder (become more human words)
ls -l === ll
ll -ha view details about all directory folders (become more human words)
ll * txt view txt file end has
3.mkdir create directory command
mkdir a b create two folders in the current directory
mkdir / home / admin / fung / 666 888 -p create a folder in the absolute path, even if the parent directory does not exist, will be created automatically on the first level directory
mkdir / home / admin / fung / 666 / {888,168} in an absolute path, create two folders
mkdir .688 creates a hidden file
4.rm command to delete a file or folder
rm file name or hidden files
rm -r folder name
rm -r *
5.touch create a txt file command
touch 1.txt created in the current directory
gedit 1.txt open manner with Notepad
6. express permission
d rwx rwx -x d represents the first letter of the folder - on behalf of txt file
Permissions Permissions Only -x execute r read access w write permission x execute
The first rwx represents the permissions the user's permission on behalf of the second user group permissions of other users of the Three Represents
7.cp command to copy files
cp source file new general txt file types
cp -r source file new file folder types
8.mv mobile command
mv 1.txt 2.txt the name was changed to the name of 1 of 2
Music Videos folder 1 2 1 Folder folder to move into the folder 2
9.> Redirect command
ls> Results txt file copied to the output of the ls command txt file, before the data will overwrite
ls >> txt file output of the ls command to copy the results to txt file, it does not overwrite data before
10.cat View Folder command
cat 1.txt the contents of a folder displayed on the screen
cat 1.txt 2.txt> 3.txt 1.txt and copy the contents to 2.txt 3 folder, and the folder view
11.more Page View command
more 1.txt spacebar to turn the page, press b to turn back, q is quit
12. | Pipe command
ls la | more to the left of the command completed results to the right of the command processing