Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

1. Print Mac OS X operating system version information.

   sw_vers -productName
   

2. You can use Homebrew to install applications in Mac similar to the command apt-get or wajig in Debian series of Linux …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

explainshell.com

1. command-not-found - Suggest installation of packages in interactive bash sessions

2. nohup, disown

3. nautilus-open-terminal

Configuration

https://github.com/thoughtbot/til/blob/master/bash/bash_profile_vs_bashrc.md#:~:text=bashrc%20is%20sourced%20on%20every …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

1. The command rsync -avh src_dir des_dir (src_dir has no trailing slash) synchronizes the whole directory src_dir into the destination directory des_dir while rsync -avh src_dir/ des_dir (src_dir/ has …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

From Linux to Linux

Command Line Mode Using ssh

1. Using X forwarding, you can also run GUI applications on the server. This is not recommended unless it's short quick work.

Remote …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

The best way to "recover deleted files" is really to avoid permanently delete files. It is suggested that you avoid using the rm command (unless you are 100% sure what you …

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tricks and Traps

1. Use full paths of commands when you use a batch account or schedule a cron job. The reason is that batch account and/or cron might have different …