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Full Discussion: Modify Path
Top Forums UNIX for Dummies Questions & Answers Modify Path Post 302259617 by msb65 on Tuesday 18th of November 2008 01:13:38 PM
Old 11-18-2008
Hi Yogesh,

I appreciate your help. Perhaps you can clear up one other path related issue.

- Why modify the .bash_profile instead of the .bashrc?

- Like I said I am using BASH on a Mac running Leopard. For the most part I use Terminal for my command line related work. However, sometimes I use X11 as well. I noticed that when i typed "echo $PATH" in a Terminal shell it returned a different series of directories than when I did the same in an X11 shell. I believe this is because those two programs check different environment files. Is that correct?

A user in a different forum suggested that I modify my .bash_profile and .bashrc files. Can you tell what exactly is going on? Here are the contents:

#####
.bash_profile:
if [ -f ~/.aliases ]; then
. ~/.aliases
fi

ulimit -Ss unlimited
source /Users/msb65/seadas5.2/config/seadas.env
#####

#####
.bashrc:

if [ -f ~/.bash_profile ]; then
. ~/.bash_profile
fi
#####
 

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CHDIR(2)							System Calls Manual							  CHDIR(2)

NAME
chdir - change current working directory SYNOPSIS
#include <unistd.h> int chdir(const char *path) DESCRIPTION
Path is the pathname of a directory. Chdir causes this directory to become the current working directory, the starting point for path names not beginning with ``/''. In order for a directory to become the current directory, a process must have execute (search) access to the directory. RETURN VALUE
Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned and errno is set to indicate the error. ERRORS
Chdir will fail and the current working directory will be unchanged if one or more of the following are true: [ENOTDIR] A component of the path prefix is not a directory. [ENAMETOOLONG] The path name exceeds PATH_MAX characters. [ENOENT] The named directory does not exist. [ELOOP] Too many symbolic links were encountered in translating the pathname. (Minix-vmd) [EACCES] Search permission is denied for any component of the path name. [EFAULT] Path points outside the process's allocated address space. [EIO] An I/O error occurred while reading from or writing to the file system. SEE ALSO
chroot(2). 4th Berkeley Distribution August 26, 1985 CHDIR(2)
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