> For the complete documentation index, see [llms.txt](https://pointsource.gitbook.io/crowwrite/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pointsource.gitbook.io/crowwrite/2024/0209.md).

# 0209-Linux and git basic command

## Linux and git basic command \[ EASY | COMPUTER | GIT ]

`>` write print text to a file\
`>>` append text to a file\
`echo` command without `-n` flag will automatically add newline character after the prints.

* Even small changes in the text will generate completely different SHA1 hash.(In cryptography, SHA-1 (Secure Hash Algorithm 1) is a hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest – typically rendered as 40 hexadecimal digits. )