Linux

These topics have their own pages.

Getting Started

Scripting

Gnuplot

Common C, C++, FORTRAN Libraries

Useful Commands

The following is a (short) list of useful command when manipulating data in text files. Some common options are listed, but may not be explained. For full descriptions of each command, see the man page. stdin, stdout, and stderr refer to standard input, output and error, respectively.

cat [file1 [ file2 [...] ] ]

print text file(s) to stdout. if multiple files are given, their text is concatenated

useful for starting a pipeline of commands from the contents of a text file

echo [args...]

print arguments to stdout

useful for starting a pipeline of commands from a variable's value

useful for printing output to the terminal from inside a script

sort<code>

read from stdin, sort lines, and write to stdout

command options: -k, -t, -n, -g

<code>cut<code>

read from stdin and write selected columns to stdout.