dirs , pushd - directories

By OK - 
# mkdir /tmp/dir1
# mkdir /tmp/dir2
# mkdir /tmp/dir3
# mkdir /tmp/dir4

# cd /tmp/dir1
# pushd .

# cd /tmp/dir2
# pushd .

# cd /tmp/dir3
# pushd .

# cd /tmp/dir4
# pushd .

# dirs
/tmp/dir4 /tmp/dir4 /tmp/dir3 /tmp/dir2 /tmp/dir1
[Note: The first directory (/tmp/dir4) of the dir command output is always
          the current directory and not the content from the stack.]

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