CDUp subcommand

Purpose

Use the CDUp subcommand as a special case of the CD subcommand to change the working directory to the next higher directory level. You can use it to simplify the implementation of programs for transferring directory trees between operating systems that have different syntaxes for naming the parent directory.

Format


>>-CDUp--------------------------------------------------------><

Parameters

There are no parameters for this subcommand.

Examples

Change the working directory to the next higher directory level:

cd 'a.b.c.d'
  >>>CWD 'a.b.c.d'
 257 "'A.B.C.D.'" is working directory name prefix.
  Command: pwd
 
  >>>PWD
 257 "'A.B.C.D.'" is working directory
  Command: cdup
 
  >>>CDUP
 257 "'A.B.C.'" is working directory name prefix.
  Command: pwd
 
  >>>PWD
 257 "'A.B.C.'" is working directory
  Command: cdup
 
  >>>CDUP
 257 "'A.B.'" is working directory name prefix.
  Command: pwd
 
  >>>PWD
 257 "'A.B.'" is working directory

Change the working directory to the next higher directory level for a z/OS® UNIX file:

cd '/u/user121/A/B/C'
  >>>CWD '/u/user121/A/B/C'
 250 HFS directory /u/user121/A/B/C is the current working directory
  Command: pwd
 
  >>>PWD
 257 "/u/user121/A/B/C" is the HFS working directory
  Command: cdup
 
  >>>CDUP
 250 HFS directory /u/user121/A/B is the current working directory
  Command: pwd
 
  >>>PWD
 257 "/u/user121/A/B" is the HFS working directory
  Command: cdup
 
  >>>CDUP
  250 HFS directory /u/user121/A is the current working directory
  Command: pwd
 
  >>>PWD
 257 "/u/user121/A" is the HFS working directory.
 Command: