Absolute / canonical / relative paths
What is the difference between absolute / canonical / relative paths?
Unix & Linux
Difference between sudo user and root user
The /etc/sudoers file lists which users can do what with the sudo command The root user creates and modifies the /etc/sudoers file. This concept is difficult for me to understand. If all users having sudo privilage belong to sudoers group, then all of them can become root by giving the sudo su command. Then who … Read more
Trim audio file using start and stop times
I have an FFmpeg command to trim audio:
Why is the root directory denoted by a / sign?
I have done some research about this on Google, but the results were cloudy. Why is the / sign used to denote the root directory. Are there any solid reasons behind it?
What do different BSDs have in common?
… and what are the differences between them? I formulated my question like this to make it clear I’m not interested in a flamewar of opinions, rather in an objective comparison between the different flavors of BSD Unix. Ideally I could get feedback from users who have experience in all of them.
Hiding Password in Shell Scripts
How can I hide a password in shell scripts? There are a number of scripts that are accessing database. If we open the script others also aware the username and password. So if anyone knows how to hide please let me know.
Is there a way to run a Linux binary on macOS?
Is there a way to run a Linux binary in macOS? I tried to run a binary but it said it isn’t executable.
How to change previous/next word shortcut in bash?
How do I configure Ctrl-Left and Ctrl-Right as previous/next word shortcuts for bash (currently alt-b and alt-f)?
If I connect a physical device, how can I ever know which device file belongs to it?
Say I plug in several USB drives which don’t get automatically mounted. How can I find out which device file belongs to which physical device, so I can mount it for example?
Mount zip file as a read-only filesystem
I am looking for a way to mount a ZIP archive as a filesystem so that I can transparently access files within the archive. I only need read access — the ZIP will not be modified. RAM consumption is important since this is for a (resource constrained) embedded system. What are the available options?