fi quotes

1. If you are still laughing at others to do micro-business, 5 years later you will regret more! Just like no one looked at Ma Yun! 2. I actually quite distressed those consulting prices after the silence of the people, dare you want to

Article Title: 50 famous quotes about linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 50. I develop for

Reference: First, the user log into the system after the system environment variables: $HOME user's own directory $PATH directory to search for when executing commands $TZ Time Zone $MAILCHECK every few seconds to check for new letters $PS 1 The

Know when to use a space in bash and when not to use it. 1. Equal value assignment cannot have spaces on either side2. Spaces are required between commands and options3. Pipe on both sides of the space is optional Let's take a look at the common

1. Linux Scripting Basics 1.1 Basic Introduction to grammar 1.1.1 Start The program must start with the following line (must be on the first line of the file): #!/bin/sh The symbolic #! is used to tell the system that the parameters behind it

Format: for [parameter]% variable name in (related file or command) do execution command Function: Executes specific commands on one or a set of files, strings, or on each object in the result of a command to achieve the desired result.Note: When

When to use the shell Because the shell appears to be a common feature between UNIX systems, and has been standardized by POSIX. As a result, the shell script can be applied to many systems as long as it is written "attentively". Therefore, the

Shell script for file traversal and Deletion The functions to be implemented in this article are as follows: a folder has a folder named by number, and files except the maximum encoding need to be deleted.Implementation General idea: traverse all

Shell scripts implement file traversal and deletion, The functions to be implemented in this article are as follows: a folder has a folder named by number, and files except the maximum encoding need to be deleted.Implementation General idea:

1. Linux Scripting Basics1.1 Basic Introduction to grammar1.1.1 StartThe program must start with the following line (must be placed on the first line of the file):#!/bin/shThe symbolic #! is used to tell the system that the parameters behind it are