Rf: Created page with "= Linux shortcut symbols = * We've seen `` is a special symbol, and how useful it can be. There are more however: * `?` matches a single character l..."

2017-04-19T22:31:18Z

Created page with "= Linux shortcut symbols = * We've seen <code>*</code> is a special symbol, and how useful it can be. * There are more however: * <code>?</code> matches a single character l..."

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= Linux shortcut symbols =

* We've seen <code>*</code> is a special symbol, and how useful it can be.
* There are more however:
* <code>?</code> matches a single character
ls multiseqs??.blastx
* <code>.</code> the directory you are currently in, useful for launching directory-held programs
* <code>..</code> the directory one level above the one you are currently in, aka. the parent directory
* <code>~</code> shorthand for your home directory, where all your data is kept.
* <code>$VAR</code> the dollar sign indicates a variable substitution. You set it with
VAR="that was then, this is now"
* These variables are often used to provide an so-called "environment" for programs to run.
* <code>;</code> separates two commands on the same line
* <code>></code> directs output of one command into a file
* <code>|</code> often called the pipe operator: directs output of one command into another command.

Hdi2u S09 - Revision history

Rf: Created page with "= Linux shortcut symbols = * We've seen * is a special symbol, and how useful it can be. * There are more however: * ? matches a single character l..."

Rf: Created page with "= Linux shortcut symbols = * We've seen `` is a special symbol, and how useful it can be. There are more however: * `?` matches a single character l..."