cd : linux command
cd : Change Directory
The cd command, which stands for “change directory”, changes the shell’s current working directory.
It is a builtin command, which means that it is executed directly by your shell, instead of launching an external program.
cd is a command-line OS shell commandused to change the current working directory in operating systems such as Unix, DOS, OS/2, AmigaOS (where if a bare path is given, cd is implied), Windows, and Linux.
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