Shell time, shell to create files, Linux Shell to write the script learning notes with the date and time as the file name

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Shell time:

A = 'date + % Y % m % d'
Echo $;

# Sh data. Sh
20101028

#! /Bin/sh
# Log
Mydate = 'date + % d % m % y'
# Append mydate to the variable logfile that holds the actual filename of the log
Logfile =/root/test_log. $ mydate
# Create the file
> $ Logfile
Mytime = 'date + % d % R'
Logfile2 =/root/test_logtime. $ mytime
# Create the file
> $ Logfile2

Two files are generated:

Ls/root/test_log.281010

/Root/test_log.281010

Ls/root/test_logtime.2819: 26

/Root/test_logtime.2819: 26