Shell Linux Basic Command instances

1. In the current directory, look for the files that were accessed within 20 minutes, and display the details of the file:

Find./-name ' *.log '-mmin-20-exec ls-l   {} \;

Note: where {} is replaced by the file name, and the colon is used to indicate the end of the command. For the LS command instead of the Find command, you need to escaped by \ or enclose it in single quotation marks.

June 23, 2014 19:02:25

2. about how to view hidden files:

Ls-a

June 24, 2014 09:39:02

3.grep Regular Expressions:

What is escaping: special symbols are treated as ordinary symbols

Notes:

Meaning of 1.^ in [] inside and outside

2. When to escape

The difference between 3.* in bash and regular expressions

The meaning of 4.-ACINV