I spend most of my time working in Unix environments and using terminal emulators. I try to use color on the command line, because color makes the output more useful and intuitive. What …

Start Windows PowerShell with the "Run as Administrator" option. Only members of the Administrators group on the computer can change the execution policy. Enable running …

How do I call an external command within Python as if I had typed it in a shell or command prompt?

I replaced Shell with the Steam client to boot quickly, directly to Steam. When I exit Steam and use Task Manager to start explorer.exe I only get an explorer window. I would like to be able …

The shell command and any arguments to that command appear as numbered shell variables: $0 has the string value of the command itself, something like script, ./script, /home/user/bin/script …

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 …

The default behavior of su user is to change ownership of the current shell to the username arg, while keeping the home directory and environment of the calling user.

Is there a way to go back to previous directory we were in using bash,tcsh without using pushd/popd ? I'd like to type something like "back" and got returned to the previous directory I …

To combine stderr and stdout into the stdout stream, we append this to a command: 2>&1 For example, the following command shows the first few errors from compiling main.cpp: g++ …

A shell assignment is a single word, with no space after the equal sign. So what you wrote assigns an empty value to thefile; furthermore, since the assignment is grouped with a …