How to print combined words on terminal??

From PHOTO(By on my zsh): I wonder how to print combined word on terminal? it looks so cool. Is there any tool to d...

How do I reload .bashrc without logging out and back in??

If I make changes to .bashrc, how do I reload it without logging out and back in? ...

How do I reload .bashrc without logging out and back in??

If I make changes to .bashrc, how do I reload it without logging out and back in? ...

Remove blank lines with grep?

I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system. ...

psql: FATAL: role “postgres” does not exist?

I'm a postgres novice. I installed the postgres.app for mac. I was playing around with the psql commands and I acc...

psql: FATAL: role “postgres” does not exist?

I'm a postgres novice. I installed the postgres.app for mac. I was playing around with the psql commands and I acc...

How to stop (and restart) the Rails Server??

I'm following the instructions here http://railsinstaller.org/mac to get up and running with Rails on a Mac running ...

How can I make directory writable??

How can I make a directory writable, from the OS X terminal? ...

Remove blank lines with grep?

I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system. ...

Cannot create a symlink inside of /usr/bin even as sudo?

When I try to symlink a binary in my /usr/bin folder, I get an Operation not permitted error: sudo ln -s /usr/bin/...

Can't run C program: “a.out: command not found”?

I have written my first program in C. I compiled it and it put a file on the desktop called a.out(as the book i am r...

How to compile and run C/C++ in a Unix console/Mac terminal??

How can I compile/run C or C++ in Unix console or a Mac terminal? (I know it, forget it, and relearn it again. Time...

What does the $ mean in Linux??

I have to explain what the code below means What does the dollar bit mean? [email protected] ~ $ ...

How to edit a py file from terminal??

I am working in a VM via PuTTY. Via terminal, I want to open, edit, and save a .py file. How can I do it? Thank y...