Hi guys, I am new to linux and despite of searching alot on google still confused about following basic concepts, 1. For achieving point 4, can i proceed like this. Add this script to rc x.
What is the difference between login and non-login shells? What is the difference between interactive and non-interactive shells? I will be really thankful to anyone who can help me with these points and this thread will certainly help alot of newbies like me. I am sure there are some corrections to be made so if a guru can chime in we all can learn.
It contains your custom variables, environment settings. Changes to. So if I set a variable in. Other shells might not be able to interpret the Bash syntax. Yes it will run, and it might not be interpreted upon startup by another shell since they don't read. Please someone correct me if I am wrong. An interactive shell is a shell where you manually type in commands such as what your doing when you run commands such as "ls, pwd, cd.. A non-interactive shell is a "shell script" where you place all the commands you want into a file or script such as:!
You are non interacting with the shell or manually typing in commands. Find More Posts by keysorsoze. A login shell is simply a shell you can login as via it ssh or at the console. A non-login shell is a shell that someone can not login too. As for your third point. It is true. Thus the reason for the two separate files.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 9 years, 2 months ago. Active 2 years ago. Viewed k times. Have a look at this excellent blog post by ShreevatsaR. Here's an extract, but go to the blog post, it includes an explanation for terms like "login shell", a flow chart, and a similar table for Zsh. For Bash, they work as follows.
Read down the appropriate column. Executes A, then B, then C, etc. The B1, B2, B3 means it executes only the first of those files found. Unfortunately I don't remember how I came up with that, or why detecting an interactive shell wasn't sufficient. Put everything in.
This may be inhibited by using the --norc option. The above text is why everything is put in. However, there's a bit different behavior when you're dealing with a login shell. Again, quoting from the man page:. The --noprofile option may be used when the shell is started to inhibit this behavior.
Duplicating all that stuff in. However, you don't want to source. Please see the comments and other answers for additional details. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Learn more. Choosing between. Asked 7 years, 3 months ago. It also runs once when you login, but runs for all users before their user-specific. For something environmental like a PATH variable,. The --noprofile option may be used when the shell is started to inhibit this behavior. This may be inhibited by using the --norc option. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Differences, uses and similarities between. Asked 8 years, 2 months ago. Active 2 years, 8 months ago.
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