Relative and absolute paths to Linux, CD commands, create and delete directories, RM commands

Relative path and absolute path:

root ) directory for the path. The relative path does not take the / start with an absolute path with / ./abc /abc is the absolute path. However: ~/abcd/123/ is an absolute path because ~

For example, the path followed by the LS command is recorded relative to the root :

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Absolute path:

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PWD can see which directory is currently under:

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The echo $PWD can also see which directory is currently under:

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WhoAmI is used to view the name of the current user:

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ID can view uid , etc.:

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CD command:

CD is Change directory The abbreviation is to change the meaning of the directory, you can use this command to enter the file directory:

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If the CD does not add any parameters, it will go into the user's home directory, if your current user is root, then will go to the root directory:

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which directory can be accessed after the CD is appended with the directory name:

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The CD- command can go back to the last directory in which it was located:

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The CD ~ command can be entered into the current user's home directory, and the meaning of the CD is consistent:

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Cd. go to current directory:

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Cd.. go to the previous level directory:

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To create and delete a directory:

mkdir is Make directory This command is used to create a directory of the :

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The date command can view the current system time:

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The mkdir-p command allows you to create a directory in bulk:

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The MKDIR-PV command adds a v option to display the process of creating a directory:

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rmdir is Remove Directory abbreviation, this command is used to delete the directory, but only if the directory is empty or cannot be deleted:

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Only the directory is empty to delete:

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the Touch command can create an empty file:

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Rmdir-p can delete directories in bulk, and the same directory will be empty to delete:

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RM Command:

RM is The abbreviation for remove,rm can delete the directory or it can be deleted unless an empty file:

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The RM-F command can be forced to delete without asking:

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The!tree command can run the last hit of the tree at the beginning of the command:

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The history command allows you to view previously-knocked commands:

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The Rm-r command allows you to delete a directory in bulk, but each time you ask:

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The RM-RF command can delete a directory in bulk because the f option does not ask:

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The RM-RFV command can see the removal process,v which is The function of the V option.

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This article is from the "12831981" blog, please be sure to keep this source http://12841981.blog.51cto.com/12831981/1972131

Relative and absolute paths to Linux, CD commands, create and delete directories, RM commands