I have noticed that essentially all the files in /usr/bin are stand-alone executables, rather than a directory containing the executable plus other files that the executable might need (such as configuration files, data files, etc.)
I know you are able to see the byte size of a file when you do a long listing with ll or ls -l. But I want to know how much storage is in a directory including the files within that directory and the subdirectories within there, etc. I don’t want the number of files, but instead the amount of storage those files take up.
When I run systemctl status, I get State: degraded at the top,
How do I get the ASCII value of the alphabet?
I have a config-file that I keep open in vim, but that sometimes gets changed on disk, without these changes being reflected on the terminal. Can I refresh the content on the screen without closing and re-opening the file? If so, how?
On Debian 8.1, I’m using a Bash feature to detect whether the stackoverflow.com website is reachable:
The Filesystem Hierarchy Standard says where to put stuff in a UNIX distribution.
I need a shell script which finds files which are created 1 hour before or 1 hour after a particular file (test.txt) was created.
Our application uses an init.d script to start and stop the application as a service. Under CentOS 7, /sbin/init is symlinked to systemd, so I can start my application using either:
I need a command that will wait for a process to start accepting requests on a specific port.