I can not modify zshrc wihout sudo,but I see I have the permisson to write .
I modify it the day before yestoday , but someting went wrong today.
Can anyone help me?
Whats the output of ls -l .zshrc?
-rw-r–r-- 1 chalres chalres 12050 Jan 19 22:15 .zshrc
The permissions are correct. How have you been editing the file?
Maybe the file is simply locked by another process?
lslocks | grep /home/chalres/.zshrc
PS : Is the typo on purpose in the username?
Emm , when I install the system my typing is fast,and 
there is nothing output with
lslocks | grep /home/chalres/.zshrc
use vim
Does it nag you about the file being already opened? Or does it show an error?
Or is it when you try to save modifications?
I use neovim
the output of :w
E45: ‘readonly’ option is set (and add ! to override)
Please ignore this problem，I am a fool, just type ! and nothing wrong
I’m not very familiar with the vi family features, but this seems relevant:
https://unix.stackexchange.com/questions/71109/how-can-i-exit-from-read-only-mode-in-vim
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