I‘ve recently started to use FreeBSD operating system with tcsh (c shell clone) shell. I noticed that both set and setenv command set shell user environment. What’s the difference between the SET and SETENV commands?
Can you provide me a while loop control flow statement shell script syntax and example that allows code to be executed repeatedly based on a given boolean condition?
My users will only be checking mail, and I want to disable FTP access as well as shell access under CentOS Linux. How do I disable shell (SSH) and FTP access to a new or old user under Linux without deleting user account?