Linux in a Nutshell, Fifth Edition

zic | 527

Linux

Commands

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zdiff

zdiff [options] files

Read compressed files and pass them, uncompressed, to the diff

command, along with any command-line options. If a second file is

not specified for comparison, look for a file called file.gz.

zdump

zdump [options] [zones]

System administration command. Dump a list of all known time

zones or, if an argument is provided, a specific zone or list of zones.

Include each zone’s current time with its name.

Options

-c year

Specify a cutoff year to limit verbose output. Meaningful only

with -v.

-v Verbose mode. Include additional information about each

zone.

zforce

zforce [names]

Rename all gzipped files to filename.gz, unless file already has a .gz

extension.

zgrep

zgrep [options] [files]

Uncompress files and pass to grep, along with any command-line

arguments. If no files are provided, read from (and attempt to

uncompress) standard input. May be invoked as zegrep or zfgrep

and will in those cases invoke egrep or fgrep.

zic

zic [options] [files]

System administration command. Create time conversion informa-

tion files from the file or files specified. If the specified file is -, read

information from standard input.

Options

-d directory

Place the newly created files in directory. Default is /usr/local/

etc/zoneinfo.

-l timezone

Specify a timezone to use for local ...