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- ccccdddd((((1111)))) ccccdddd((((1111))))
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- NNNNAAAAMMMMEEEE
- cd - change working directory
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- SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
- ccccdddd [ directory ]
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- If _d_i_r_e_c_t_o_r_y is not specified, the value of shell parameter $$$$HHHHOOOOMMMMEEEE is used
- as the new working directory. If _d_i_r_e_c_t_o_r_y specifies a complete path
- starting with ////, ...., ........, _d_i_r_e_c_t_o_r_y becomes the new working directory. If
- neither case applies, _c_d tries to find the designated directory relative
- to one of the paths specified by the $$$$CCCCDDDDPPPPAAAATTTTHHHH shell variable. $$$$CCCCDDDDPPPPAAAATTTTHHHH has
- the same syntax as, and similar semantics to, the $$$$PPPPAAAATTTTHHHH shell variable.
- _c_d must have execute (search) permission in _d_i_r_e_c_t_o_r_y.
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- Because a new process is created to execute each command, _c_d would be
- ineffective if it were written as a normal command; therefore, it is
- recognized and is internal to the shell.
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- pwd(1), sh(1), chdir(2).
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- PPPPaaaaggggeeee 1111
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