How does Linux use a command line to count the number of subdirectories in a given directory

View the number of files in a directory

ls-l |grep "^-" |wc-l

or

find./company-type F | wc-l

View the number of files in a directory, including subdirectories.

ls-lr|grep "^-" |wc-l

View the number of directories under a folder, including those in subdirectories.

ls-lr|grep "^d" |wc-l

Description:

ls-l

long list output file information in this directory (note the file here, different from the general file, may be the directory, links, device files, etc.)

grep "^-"

This will be the long list outputInformation filteringpart, only keep the general file, if only keep the directory is ^d

wc-l

statistics output information of the number of rows, because it has been filtered to only the general file, so the statistical results are general file information line number, and because one line of information corresponding to a file, so that is the number of files.

How does Linux use a command line to count the number of subdirectories in a given directory