File descriptor bash

When bash starts it opens the three standard file descriptors: 
- stdin (file descriptor 0)
- stdout (file descriptor 1)
- stderr (file descriptor 2)

Can use these sometimes explicityly
$ echo hello > file.txt
$ echo hello 2> file.txt

(file descriptor before >)

Similar codes

2 votes139 views1 answer
Powershell check if elevated
Shell/Bash
8 votes127 views1 answer
Zip entire directory ubuntu
Shell/Bash
5 votes131 views2 answers
Uninstall vmware workstation 16 ubuntu
Shell/Bash
0 vote120 views1 answer
V4l2 not found
Shell/Bash
0 vote134 views1 answer
Bash linux scripting laguage
Shell/Bash
2 votes132 views1 answer
View git branches most recent first
Shell/Bash
2 votes125 views3 answers
Bash alias with parameter
Shell/Bash
0 vote146 views1 answer
Use xargs multiple times
Shell/Bash
1 vote135 views1 answer
Build.ps1 fie cannot be loaded the file is not digitally signed you cannot run this script on the current system
Shell/Bash
15 votes133 views3 answers
Bash run while loop
Shell/Bash