rev Reverse reading , reverse

echo 123456 | rev # The result is 654321
rev Name.txt # The line number hasn't changed , The data in each row is flipped over

less have more Command all functions , More powerful

more and vi Will load all the files into memory , however less Reading data doesn't load all the files into memory

less Support directional keyboard ,pageup、pagedown,b Key to previous page , Space next page

-N   Show file line number , All the contents of the file will be displayed

linux_ Common commands _2 More articles about

  1. Linux_ A brief introduction to common commands (netstat,awk,top,tail,head,less,more,cat,nl)

    1.netstat netstat -tnl | grep 443 ( see 443 Whether the port is occupied ) root user , use netstat -pnl | grep 443 ( It can also show the occupation of the machine 443 Port process P ...

  2. Linux_ Common commands 1

    come from :http://www.weixuehao.com/archives/25 Linux Introduction and Ubuntu install Linux, Free and open source , Multi user and multi task system . be based on Linux There are multiple versions of the derivative .RedHat. ...

  3. Linux_ Common commands _01

    PS: Some operations that do not involve other software ,OS An order that was supported . 1. Compress / decompression : Compress : tar -zcvf /home/android1.6_cmdCompress.tar.gz /root/manifes ...

  4. Linux_ Common commands _04_ mount

    1. mount [-t vfstype] [-o options] device dir ZC: -o Followed by a number of option Words , Separated by commas .( for example :"mount -o rw,remou ...

  5. Linux_ Common commands _02

    1. Configure network parameters : (1).root Sign in --> setup command Enter into "text mode setup utiliy" (2). Run the command "/etc/rc.d/ ...

  6. linux_ Common commands _(ls, lsof,nslookup)_ View files in chronological order

    Usually collect some used commands Easy to use 1:  ls -lrt Sort by time   Exhibition 2:nslookup   see dns analysis 3:lsof -p Process number lsof `which httpd` // That process is using ...

  7. Linux_ Common commands _03_ disk / mount _ Information view

    1. 1.1. mount Without parameters , It is shown that The current situation that has been mounted 1.2. df Without parameters , Hard disk partition status query 2. 2.1. cat /proc/partitions 2.2. fdisk ...

  8. Linux_ Common commands

    File search -find -locate -grep String search -grep Filter -grep/find/xargs/ edit -sed To be continued ....

  9. Linux_ Directory basic operation _ Common commands 【 Detailed explanation 】

    Linux_ Common commands Linux Directory tree structure of file system :[Linux Everything in the world is a document ]: To put it bluntly , Just files and folders ( Catalog ) Operation between . Ordinary users kkb All files and folders , In fact, they are all located in root User /home ...

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