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Full Discussion: problem in CD command
Top Forums UNIX for Advanced & Expert Users problem in CD command Post 302212040 by Vi-Curious on Sunday 6th of July 2008 02:08:34 AM
Old 07-06-2008
This problem you're having is due to inheritance. When you run/execute your script, it inherits a copy of the current environment. Anything you do in the script affects your inherited environment but not that of your parent.

What you need to do is source your script instead of running it. When you source it, it runs under your current shell so changes that you make will be reflected in your environment when the script finishes executing.

Assuming your script is named test.sh, and you're in the directory where the script resides, source it as follows:
> . ./test.sh

If you do this, when execution is complete, you will be in whatever directory was specified by the "cd <some path>" command.
 

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SERVICE(8)                                                    System Manager's Manual                                                   SERVICE(8)

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script or systemd unit in as predictable an environment as possible, removing most environment variables and with the current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT, or the name of a systemd unit. The existence of a systemd unit of the same name as a script in /etc/init.d will cause the unit to take precedence over the init.d script. The supported val- ues of COMMAND depend on the invoked script. service passes COMMAND and OPTIONS to the init script unmodified. For systemd units, start, stop, status, and reload are passed through to their systemctl/initctl equivalents. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. The status is [ + ] for running services, [ - ] for stopped services and [ ? ] for services without a status command. This option only calls status for sysvinit jobs. EXIT CODES
service calls the init script and returns the status returned by it. FILES
/etc/init.d The directory containing System V init scripts. /{lib,run,etc}/systemd/system The directories containing systemd units. ENVIRONMENT
LANG, LANGUAGE, LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES, LC_PAPER, LC_NAME, LC_ADDRESS, LC_TELEPHONE, LC_MEA- SUREMENT, LC_IDENTIFICATION, LC_ALL, TERM, PATH The only environment variables passed to the init scripts. SEE ALSO
/etc/init.d/skeleton update-rc.d(8) init(8) invoke-rc.d(8) systemctl(1) AUTHOR
Miloslav Trmac <mitr@redhat.com>, Petter Reinholdtsen <pere@hungry.com> Licence: GNU Public Licence v2 (GPLv2) COPYRIGHT
2006 Red Hat, Inc., Petter Reinholdtsen <pere@hungry.com> Jan 206 SERVICE(8)
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