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

0 vote181 views1 answer
Sed disable disallow root login
Shell/Bash
1 vote194 views2 answers
Install scrcpy linux
Shell/Bash
1 vote231 views1 answer
Wget pause download
Shell/Bash
3 votes192 views2 answers
Create branch with local changes
Shell/Bash
0 vote187 views2 answers
How to install react in laravel 8
Shell/Bash
1 vote173 views1 answer
How to get name of pc bash script
Shell/Bash
3 votes172 views1 answer
Cat ~/.ssh/id_rsa.pub
Shell/Bash
8 votes179 views6 answers
Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
Shell/Bash
8 votes183 views5 answers
Pip install proxy
Shell/Bash
1 vote172 views2 answers
Tmux commands
Shell/Bash