Linux in a Nutshell, Fifth Edition

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Linux

Commands

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-s, --hctosys

Set the system time in accordance with the hardware clock.

--setepoch, --epoch=year

Set the hardware clock’s epoch to year.

--set --date=date

Set the hardware clock to the specified date, a string appro-

priate for use with the date command.

-v, --version

Print version and exit.

-w, --systohc

Set the hardware clock in accordance with the system time.

The following may be used with the above options.

--debug

Print information about what hwclock is doing.

--localtime

The hardware clock is stored in local time.

--noadjfile

Disable /etc/adjtime facilities.

--test

Do not actually change anything. This is good for checking

syntax.

-u, --utc

The hardware clock is stored in Universal Coordinated Time.

iconv

iconv [options] files

Convert the contents of one or more files from one character

encoding to another and write the results to standard output.

Options

-c Omit invalid output characters.

-f code1, --from-code=code1

Convert input characters from the code1 encoding.

-?, --help

Print help message and exit.

-l, --list

Print a list of valid encodings to standard output.

-o file, --output=file

Write the converted output to file instead of standard output.

-s, --silent

Operate silently; don’t print warning messages.

-t code2, --to-code=code2

Convert input characters to the code2