The core command to switch directories in Linux is cd. The basic usage includes inputting cd plus a full path or a relative path, such as cd /home/user/Documents or cd Documents; the quick switching skills include cd ~ back to the main directory, cd - switch to the previous directory, cd .. Return to the previous directory, cd ../.. Return to the two-level directory; when the path contains spaces or special characters, it must be wrapped in quotes or escaped by backslashes, such as cd "My Files" or cd My\ Files; in addition, the Tab key can automatically complete the path, and the up and down arrows can call historical commands to reduce duplicate input.
Changing directories is quite common in Linux. Whether it is finding files, installing software or troubleshooting problems, it will be used. There is only one key command: cd
, but some details are easy to be mistaken or ignored.

Basic usage: cd
followed by path
The easiest thing is cd 目錄名
. For example, if you want to enter /home/user/Documents
, just click:

cd /home/user/Documents
You can also use relative paths. For example, if you are already under /home/user
, you can directly enter:
cd Documents
This way you can get in. Pay attention to the way of writing the path, don’t type slashes incorrectly, and have the upper and lower cases.

Tips for quickly switching common directories
Linux has shortcuts for certain paths, which can save a lot of time:
-
cd ~
Return to the current user's home directory -
cd -
Switch back to the directory you were in the last time -
cd ..
to the previous directory -
cd ../..
to two levels of directory at one time
These combinations are especially suitable for use when the path is deep, without knocking the full path every time.
How to deal with paths with spaces or special characters?
If there are spaces in the directory name, such as My Files
, you cannot enter directly:
cd My Files # This will report an error
Quotes or escapes:
cd "My Files" # or cd My\ Files
Other special characters such as brackets and Chinese are also handled in the same way. Remember to add backslash \
escaping.
Automatic completion and history help you type less
In actual operation, there is no need to type out all the paths. Press the Tab key and the system will automatically complete the directory name. For example, you type:
cd Docu[TAB]
It may automatically become:
cd Documents/
In addition, use the up and down arrows to look through the commands you have entered before, avoiding repeated input of long paths.
Basically all of this is the problem. The path format and permissions that are not difficult but prone to errors are the problem. If you master these points, it should be enough to switch the directory daily.
The above is the detailed content of How to change directory in Linux. For more information, please follow other related articles on the PHP Chinese website!

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