1. UNIX for Dummies Questions & Answers

what is the actual use of environment variables. I know only PS1, LOGNAME, PS2 variables what are the other variables & what is there use (2 Replies)

2. Programming

Hi! How-to get the environment variables in GNU. getenv() only fetches the ones that you can find under export (not the ones under declare)... best regars .David (2 Replies)

3. UNIX for Dummies Questions & Answers

Hi Folks, Is it possible somehow to unset all the environment variables which have been defined before in UNIX (Solaris). Thanks, Slava (3 Replies)

4. UNIX for Dummies Questions & Answers

hi, 1). i would like to know what is meant by environment variables? 2). is the number of envi variables is a constant number for unix systems? 3). how to see the list of envi variables (and the values of the envi variables)in a single command? 4). if this questions were already asked... (3 Replies)

5. Programming

hi, I want to create a new EV(Environment Variable) through a c program and I done this thing through setenv() method. But the newly created EV is not permanent, i.e. when I exit from the program the EV also no longer lives. But I want to make it a permanent EV for the current user. Actually I... (6 Replies)

6. Shell Programming and Scripting

Hi, If i have a variable set and exported in my pofile file will that variable be available in all shell scripts created. Thanks, Radhika. (3 Replies)

7. UNIX for Dummies Questions & Answers

why are all environment variables represented in a fixed format regardless of the shell you use? like $HOME $PATH etc (6 Replies)

8. Shell Programming and Scripting

I have read tons of posts about how you can't set persisting environment variable in a child script of a shell and have it persist. The only way is to source a file as % . <scriptname> I am finding that true... but I know there is a way around it. I just don't know how. I worked for 6... (5 Replies)

9. HP-UX

Hi Experts, Need your help in understanding the commands to setup the environment variables in hp-ux. Beleive need to use either set,setenv or export. I am confused between above three options, when to use which option? On command line, I have tried both set and setenv but couldn't... (1 Reply)

10. HP-UX

Hi All, I need to understand following three environment variables and their usages in HP Unix. _M_ARENA_OPTS _M_CACHE_OPTS PTHREAD_SCOPE_SYSTEM How does these environment variables influence multi threaded applciation and how do we decide the value of these variables? Is there... (0 Replies)