Adding a directory to PATH in Ubuntu

Question

I am a new user of Linux  just switched from Windows  I installed ActiveTcl-8 5 in  opt ActiveTcl-8 5   now I want to add its bin directory to the UNIX path   I have read a number of articles from the net and got confused about which file to modify  My  home tofayel directory contains  bashrc   bash logout   bash history  and  profile  but not  bash login and  bash profile   Where do I add the extra lines to add  opt ActiveTcl-8 5 bin to PATH

User · Answer

The file  bashrc is read when you start an interactive shell  This is the file that you should update  E g   export PATH  PATH  opt ActiveTcl-8 5 bin   Restart the shell for the changes to take effect or source it  i e    source  bashrc

User · Answer

Actually I would advocate  profile if you need it to work from scripts  and in particular  scripts run by  bin sh instead of Bash  If this is just for your own private interactive use   bashrc is fine  though

User · Answer

you can set it in  bashrc  PATH  PATH  opt ActiveTcl-8 5 bin export PATH

[linux] Adding a directory to PATH in Ubuntu

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