Local Test Cases:
# there can be no spaces on either side of the equal sign, before the error has been out here
yesterday= ' date-d last-day +%y-%m-%d '
echo $yesterday
curday= ' Date +%y-%m-%d '
echo $curday
echo "Now time: ' Date ' +%y%m%d%T '"
Http://casec12.javaeye.com/blog/523160
Today, I have finally figured out the origins and differences between carriage return and line feed.Before the computer appeared, there was a kind of device called teletype model 33, which can contain 10
UNIX awk User Manual (version 2)
Chi zhonglong
Author's words:
The UNIX awk User Manual was my work a few months ago. Looking back, this article is really rough, because I was too busy writing and uploading this work, without a good check on the
Remember: the operations on the affected system may change the existing evidence or lead to the loss of sensitive information!
{Initial response }}
Objective: To obtain the loss-prone data in the system before judicial authentication and replication,
Level: Intermediate
By Michael Stutz
From: IBM developerworks China
Link: http://www.ibm.com/developerworks/cn/aix/library/au-badunixhabits.html
When you often use a system, it is often in a fixed usage mode. Sometimes, you do not get into the
The 20 good habits to be used in Unix are:
1) create a directory tree in a single command.
2) change the path. Do not move the archive.
3) combine commands with control operators.
4) exercise caution when referencing variables.
5) Use escape
Although the C language has been in existence for nearly 30 years, its charm has not diminished. The C language continues to attract a large number of developers who have to learn new skills in order to write, transplant, or maintain applications.
use the shell in Linux to get yesterday, tomorrow or many days before the date time -- A- , the: -:xxblogjava-Expert Area Original http://www.blogjava.net/xzclog/archive/2015/12/08/428555.htmlTheme Shell Original address:
DB2 Date Time function(DATE (TRIM (CHAR (dt#11y)) | | -' | | TRIM (CHAR (dt#11m)) | | ' -' | | TRIM (CHAR (dt#11d))) between date (' & StrDate1 & ') and date (' & StrDate2 & '))(Y > Y) or ((y = y) and (M > m)) or ((y = y) and (M = m) and (d >=
Use the shell in Linux to get yesterday, tomorrow, or many days ago:In Linux, the man date-d parameter is relatively vague, the following examples further illustrate:#-D,--date=string display time described by STRING, not ' now '[Email protected]
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