Linux in a Nutshell, Fifth Edition

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Chapter 3: Linux Commands

This is the Title of the Book, eMatter Edition

Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.

Examples

Print the category name and all keywords for date and time

settings:

locale -ck LC_TIME

Print the strings used for days of the week and months of the year:

locale day mon

locate

locate [options] pattern

Search database(s) of filenames and print matches. Matches

include all files that contain pattern unless pattern includes meta-

characters, in which case locate requires an exact match. *, ?, [, and

] are treated specially; / and . are not. Searches are conducted

against a database of system contents that is updated periodically.

To update the database, use the updatedb command.

Options

-d path, --database=path

Search databases in path. path must be a colon-separated list.

-h, --help

Print a help message and then exit.

--version

Print version information and then exit.

lockfile

lockfile [options] filenames

Create semaphore file(s), used to limit access to a file. When lock-

file fails to create some of the specified files, it pauses for eight

seconds and retries the last one on which it failed. The command

processes flags as they are encountered (i.e., a flag that is specified

after a file will not affect that file). This command is most often

used by scripts and applications as a way to avoid multiple users

changing the same file at once.

Options

-sleeptime

Number ...