Print odd-numbered lines, print even-numbered lines
I want to print the odd-numbered and even-numbered lines from files.
Unix & Linux
What to do when a Linux desktop freezes?
I’m a Windows guy, dual booted recently, and now I’m using Linux Mint 12
Linux “top” command: What are us, sy, ni, id, wa, hi, si and st (for CPU usage)?
When I issue top in Linux, I get a result similar to this:
Get total duration of video files in a directory
I have a list of .ts files:
Difference between process group and job?
What’s the difference between a process group and a job? If I type pr * | lpr then is it both a process group as well a job?
What exactly is the difference between a process group ID and a job ID?
Can I safely remove /var/cache?
I am running out of disk space and noted that I have a large /var/cache directory. Can I safely remove this? (using Arch Linux, BTW).
Writing a systemd service to be executed at resume
my Dell laptop is subject to this bug with kernel 3.14. As a workaround I wrote a simple script
How can I kill a process and be sure the PID hasn’t been reused
Suppose, for example, you have a shell script similar to:
How to bulk convert all the file in a file system branch between Unix and Windows line break format?
Everybody knows 🙂 that in Windows plain text files lines are terminated with CR+LF, and in Unix&Linux – with LF only. How can I quickly convert all my source code files from one format to another and back?