Difference between revisions of "Linux"
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==Useful Commands== | ==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 <code>man</code> page. | 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 <code>man</code> page. | ||
| + | |||
| + | ;<code>cat <file></code> | ||
| + | : print text file to standard output | ||
| + | : useful for starting a pipeline of commands from the contents of a text file | ||
| + | ;<code>echo args...</code> | ||
| + | : print arguments to standard output | ||
| + | : useful for starting a pipeline of commands from a variable's value | ||
| + | :<code>sort</code> | ||
| + | : read from standard input, sort lines, and write to standard output | ||
| + | : command options: -k, -t, -n, -g | ||
Revision as of 19:58, 21 January 2013
These topics have their own pages.
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.
cat <file>- print text file to standard output
- useful for starting a pipeline of commands from the contents of a text file
echo args...- print arguments to standard output
- useful for starting a pipeline of commands from a variable's value
sort- read from standard input, sort lines, and write to standard output
- command options: -k, -t, -n, -g
