Awk – F parameter tutorial

The awk command is a powerful text processing tool that allows for effective manipulation of structured text data. It is commonly used to read data...

Awk BEGIN/END tutorial

In AWK, the BEGIN and END blocks are special code blocks that are executed before and after processing the input, respectively. These blocks are useful...

What does /bin/sh -c do in Linux

To solve the problem of command permission, you can expand the scope of permission. Next, we will introduce it to you with an example. For...

Batch change file extension in Linux

In the daily development process, we sometimes need to do some batch operations, as described in the previous article. Today, we will share how to...

awk print function in linux

Awk print function is a built-in function of awk, used for prints its arguments on the standard output (or on a file if > file...

ls -r command in Linux

ls -r option lists all files and directories in the current directory in reverse order....

ls -l command in Linux

ls -l option lists all files and directories in the current directory in long listing format....

ls -a command in Linux

ls -a option lists all files and directories in the current directory, including hidden files starting with "."...