If you ^Z from a process, it gets “stopped”. How do you switch back in?
I accidentally “stopped” my telnet process. Now I can neither “switch back” into it, nor can I kill it (it won’t respond to kill 92929, where 92929 is the processid.)
Unix & Linux
Why is ‘umount’ not spelled ‘unmount’?
I am wondering if there is any historical or practical reason why the umount command is not unmount.
How to go to the previous working directory in terminal?
In terminal, how can I define a key to go to the previous directory which I was in when changing directory with the cd command?
How to make zsh completion show the first guess on the same line (like fish’s)?
In Fish when you start typing, autocompletion automatically shows the first autocompleted guess on the line itself.
combine text files column-wise
I have two text files. The first one has content:
How can I populate a file with random data?
How can I create a new file and fill it with 1 Gigabyte worth of random data? I need this to test some software.
Shell Syntax: How to correctly use to break lines?
I used to believe that the appropriate way of breaking the lines in a list is command1 && command2 It turned out that it isn’t so , one doesn’t need $ [ $(id -u) -eq 1000 ] && > echo yes yes The same works with pipes | the same way. The bash man page … Read more
Are there pitfalls to putting $HOME in git instead of symlinking dotfiles?
I have for many years had my entire $HOME directory checked into subversion. This has included all my dotfiles and application profiles, many scripts, tools and hacks, my preferred basic home directory structure, not a few oddball projects and a warehouse worth of random data. This was a good thing. While it lasted.
Can root kill init process?
Can root kill init process (the process with pid 1)? What would be its consequences?