Linux commands

linux most commands is located in /bin or /usr/bin, usage:--help/-h .

v{version,verbose},a{all} -h(help,human readable)

1.File management:

   ls（list ：List information about the FILEs (the current directory by default)：-a (show hidden file) -l(list detail)  -AS(ascend),-R(recursive)）

    cp(copy ELF 64-bit LSB executable)  /bin

   mv(move or rename)

   file(Determine type of FILEs, -v,)

   pwd(present work directory)

  cd(change directory:~ user directory, -- [$OLDPWD])

  whereis (Locate the binary, source, and manual-page files for a command,-b binary only, -s sources only,-f)

2. File view and edit :
  cat filename/ head -n filename /tail -n filename

  echo(print message or enviroment  variable value )

  rm -rf (remove file or directory)

 rmdir (remove empty directory)

mkdir（make directory）

3.System command

startx

uname  -a、-v （print certain system information.

4. Disk management：

df -h（Show information about the file system on which each FILE resides,or all file systems by default human-readable）

du -h（Summarize disk usage of the set of FILEs, recursively for directories human-readable）

lsblk（list block）

5.other：

history（list input command list :-c clear）

hash  -r(remove records)

lsmod(list module mount status)

6. text search :

grep (ELF 64-bit LSB shared object)

find {-name ,-iname(ignore lower upper), -size,-type 

7.Device Management:

lspci(list peri commnent interface).

8. zip:

zipinfo(zip information):

9.network command:

netstat -ano |grep portname,-i(network adapter list)

ping -c（count） 4 -i（interval） 3 www.linuxcool.com

ifconfig（down-close，up-start）

10. install command

1) apt-get

  update

 install  (httpd,nginx)

remove(vsftpd)  ，–purge remove packagename