2. Show two examples of the commands using pipe and explain how the pipe works i

Question

2. Show two examples of the commands using pipe and explain how the pipe works in them separately? 3. In a Linux system, you can issue the command Is / to check the sub- directories under root. Please list the names of folders responsible for storing corresponding special files separately For example, executable files are mainly stored in "bin". 1) Shared libraries needed by the programs on the root filesystem. 2) Files used by the bootstrap loader 3) Device files that help the user interface with the various devices oin the system. 4) Mount point for temporarily mounted filesystems. 5) User home directories. 6) Variable data stored by daemons and utilities

Explanation / Answer

Ans 2: Pipe is a command in a Linux that lets the user run two or more command in such a way output of one command becomes input for the next command.

For pipe '|', this symbol is used in Linux.

Example 1:

sort a.txt | uniq

This command will sort a.txt file and this sorted output becomes input for uniq command.

uniq will only print unique records on the screen.

Example 2:

cat test test2 | sort > a.txt

cat command will display the content of the test and test2 file on the screen. it will become input for sort command. sort command will put content to a.txt file after sorting.

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