If you work with Unix files and folders a lot, you’ve probably already noticed that you can’t see many of them in the Finder—the /usr, /bin, and /etc folders, amongst many others, don’t show up in the ...

There are many ways to move files between Unix and Windows. In my mind, they fall into three categories — secure copy (let’s not even think about ftp), shared drives, and file synchronization. Each ...

The ZIP archive is recognized by most operating systems, thus making it useful for compressing and archiving files regardless of the OS that your employees or customers use. If your company uses one ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

Unix systems provide numerous ways to compare files. The most common way to verify that you have received or downloaded the proper file is to compute a checksum and compare it against one computed by ...

Hand a CSV file to a tool such as awk, however, and you may run into some problems. Let's look at the problems and at a handy Perl module that takes the stress out of working with CSV files on Unix ...