I see this question a lot in search engines requests which point to this blog. And if you're so interested how this is done, I'm happy to explain. … [Continue reading] about How To Find Your UID From Bash
How To Find What Symlink Points To
To some this may seem like a trivial task, but I see great interest from Unix/Linux beginners arriving to this blog: how exactly does one confirm what a symlink points to? First of all, if you haven't already done so - read my Unix Symlink Example … [Continue reading] about How To Find What Symlink Points To
How To Find the Largest Files in your Unix system
I see that my Finding Large Files and Directories post is quite popular, yet there are a few more ways to simplify your search for the largest disk space consumers in your Unix system. Make find command show file sizes If you remember, the default … [Continue reading] about How To Find the Largest Files in your Unix system
How to Find the Owner of a File in Unix
Surprisingly, I see quite a few questions around file ownership asked all the time. And one of the first questions asked concerns the Unix user who owns a particular file. It's very easy to confirm who the owner of a file is, and you can do it using … [Continue reading] about How to Find the Owner of a File in Unix
Find Out Linux Version using Linux Standard Base (LSB) files
You probably know that modern Linux distributions have many things in common. Well, one of the reasons for this is LSB - Linux Standard Base. LSB is a joint project by a number of Linux vendors to standardize the OS environment. From Linux … [Continue reading] about Find Out Linux Version using Linux Standard Base (LSB) files
How To Find Large Files and Directories in Unix
When you're trying to clean up your filesystems and reclaim some space, one of the first things you'll want to do is to confirm the largest directories and individual files you have. This can be easily done using two Unix commands: find command and … [Continue reading] about How To Find Large Files and Directories in Unix
Unix filesystem basics: symlink example
I can see some of you have arrived to my Unix file types post looking for an example of using symlinks in Unix. Today I would like to give you a quick introduction into Unix symlinks. What is symlink? Symlink is a short name for symbolic link … [Continue reading] about Unix filesystem basics: symlink example
How To Find Out a File Type and Permissions in Perl
A few months ago, I've given a really simple example of using Perl for parsing directory trees in Unix. If you looked closer at it, you would have noticed that the script was working fine, but showing file modes as strange large numbers which didn't … [Continue reading] about How To Find Out a File Type and Permissions in Perl
How to Compare Text Files Using diff
If you need to compare two text files in Unix, you're mostly likely to use the diff command. Today I'll talk about the simplest scenario: you want to compare two files and understand if there are any differences. … [Continue reading] about How to Compare Text Files Using diff
How To Find Out Which Group a Unix User Belongs To
If you know the name of a particular user on your Unix system and just want to confirm the primary Unix group (gid) of this individual, just use the id command: $ id -g greys 115 … [Continue reading] about How To Find Out Which Group a Unix User Belongs To
