If you need to switch directories frequently

Three commands ：dirs、pushd、popd

dirs There are three parameters ：

-c Clear all directories

-p Display directory stack without index

-v Display directory stack with index

pushd There are three uses ：

Use directly without parameters , Exchange stack top elements with secondary stack top elements

Followed by the directory , Indicates that the directory will be stacked , And the default stack pressing end is used once dirs command

+/-n,+ The sign means counting from top to bottom ,- Sign means counting from bottom to top , Switch stack top elements . The default from the 0 Starting number

popd There are two uses ：

With no arguments , Push the top element out of the stack , Because the top element of the stack is associated with the directory , Toggle directory

+/-n,± The sign means counting from top to bottom , Or count from bottom to top , Stack the directory . The default from the 0 Starting number
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