Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel). There are many shell implementations available, like sh, Bash, C shell, Z shell, etc.

Shell equality operators (=, ==, -eq) Asked 12 years ago Modified 3 years, 6 months ago Viewed 649k times

I often come across $?, $0, $1, $2, etc in shell scripting. I know that $? returns the exit status of the last command: echo "this will return 0" echo $? But what do the others do? What ...

The shell is the program which actually processes commands and returns output. Most shells also manage foreground and background processes, command history and command line editing.

May 8, 2012 · I understand the basic difference between an interactive shell and a non-interactive shell. But what exactly differentiates a login shell from a non-login shell? Can you give examples for uses of...

May 18, 2010 · Special shell variables verbose If set, causes the words of each command to be printed, after history substitution (if any). Set by the -v command line option. echo If set, each command with …

Here shell is an alias for bash. Chroma has something called Session. Pygments (doc) uses console, shell-session for bash sessions, pwsh-session, ps1con for power shell sessions and many other non …

Nov 15, 2010 · A bashism is a shell feature which is only supported in bash and certain other more advanced shells. It will not work under busybox sh or dash (which is /bin/sh on a lot of distros), or …

What can you do with the eval command? Why is it useful? Is it some kind of a built-in function in bash? There is no man page for it..

Jan 6, 2010 · You can find all of this info and much, much more, without even leaving the shell, by typing: info -f "bash" -n "Shell Parameter Expansion" Or use pinfo to add a little color. pinfo -f "bash" …