linux browse directories and configuration files

1. View catalog, view file properties
   What law have under 1) to view the root directory / subdirectory which documents or to observe the color

   ls /

   2) shows the results, comparison / bin, / usr / bin / directory in long format detailed properties

   ls -ld / bin / usr / bin / directory itself [-d display only]

   3) list of all documents in the current directory (including hidden files)

   ls -A

   4) View / etc / begin the re, ending .conf file, identifying respective sizes

   ls -lh /etc/re*.conf

2. View text file contents
   1) displays the contents of the file / etc / redhat-release of [System version]
   2) to display the file / etc / hostname content [hostname]
   3) displays the file / proc / cpuinfo content [CPU information]
   from the results recognized by the CPU core processor number, model, frequency

   cat /proc/cpuinfo

   processor: 0 // CPU core ID
   vendor_id: GenuineIntel // Manufacturer Information
   CPU Family:. 6
   Model: 94
   Model name: the Intel (R & lt) Core ((TM)) i5-6500 the CPU @ 3.20GHz
   Stepping:. 3
   microcode A: 0xBA
   CPU MHz: 3198.786 // CPU main frequency
   cache size: 6144 KB // secondary cache
   physical id: 0 // physical CPU numbers
   !!!! to view the contents of large files, it is recommended to use less (tabbed browsing, q quit)
   3, mkdir to create a directory
   create the following directory structure
   / protected / Project / tts10 /
   / Notes / Cloud /

   mkdir -p /protected/project/tts10/ /notes/cloud/

4, touch creates the file
create the following empty file rday01.txt, day02.txt

touch day01.txt day02.txt

5. All the files ending in .txt lists / notes / cloud / directory

   ls /notes/cloud/*.txt

   Note:
   Wildcard: * Use special symbols to indicate uncertainty ,? the name of
   the current directory -
   the current directory - ..
   5, copy

   cp copied document A target document B

   cp -rp copied directory and file destination folder ...

6, delete

rmdir directory name (remove directory)

rm filename (deleting files)

rm -r directory name (remove directory)

rm -rf delete directories and files do not prompt

7, a mobile / rename

A document is moved mv target document B

mv moved document destination folder ...