UNIX commands.....

1) zip and unzip : zip <file_name>.zip <file_required_to_zip>
                         $_Test>zip test.zip ls *.*   It will zip all files available at location and create test.zip file

2) Softt link Creation :  ln -s $FND_TOP/bin/fndcsper <filename>

3) Execute the enviornment script : . ./*.env

Set Enviornment Variable in Unix Server

Purpose - To set enviornment variable on unix server (for example Product_TOP and custom_TOP ).

Enviornment Variable - is the shell  script needs to run and assign the corrosponding path to variables.

How to Set -
 >> Login to unix server
 >>  locate  *.env
 >>  execute the *.env script

Default Location : /oracle/ebs/apps/apps_st/appl

File Name Format : $DBserviceName_$InstanceName.env ( * File name can be anything)
Command -
To set the enviornment variable = . ./XXXXX.env 
To validate the enviornment variable = echo $XXX_TOP