Ls-f | What does grep mean,/$?

Today in search of a dongdong found this title, then you know what is the meaning of it.

Ls-f means to classify files by type and add/* symbols at the end.

| Pipeline output, the result of the previous command as input to the following command

grep/$ means to pick out the line that ends with/to identify the directory

-F,--classify
Append indicator (one of */=>@|) to entries

Example:

[Root@sor_sys ~]# ls-f
1.sh*                     cc_manual_0701.rar  gzpackage/          man.config        script/                     tr1.txt
2005.03.01                dead.letter         index.html          ntpd-deploy.sh*   start_tomcatserver229-1.sh  tr.txt
anaconda-ks.cfg           desktop/            install.log         printc.sh         start_tomcatserver229-2.sh usr/
apache-tomcat-6.0.30.zip  etc/                install.log.syslog  rpmpackage/      stop_tomcatserver229-1.sh   zy/
CAMPTOCAMP-TOMCAT-0.0.1/  get_date.sh         lib/               ruby-1.8.7-p248/  stop_tomcatserver229-2.sh   zy.bak/

if we search for/end, we can use the following methods:

Ls-f|grep \ "Escape character"

Ls-f|grep/$

Ls-f|grep/

Let's look at the role of Ls-f:

- F switch Add an * number to the executable file , add a / number to the directory , and add an @ sign for the symbolic link .