O'Reilly logo

Learning the UNIX Operating System, Fourth Edition by Jerry Peek, John Strang, Grace Todino

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Special Symbols

|

Set up a pipe.

>

Redirect output to a file.

<

Redirect input from a file.

>>

Append output to an existing file.

/

Separator used in pathnames.

.

Current directory.

..

Parent directory.

&

Process command in the background.

*

Match any number of characters in filename.

?

Match any single character in filename.

[ ]

Match any one of the enclosed characters in filename.

;

Command separator.

( )

Group commands.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required