Sandra Henry-Stocker has been administering Unix systems for more than 30 years. She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains in Virginia where, when not working with or writing about Unix, she's chasing the bears away from her bird feeders.
The opinions expressed in this blog are those of Sandra Henry-Stocker and do not necessarily represent those of IDG Communications, Inc., its parent, subsidiary or affiliated companies.
Linux provides very useful options for viewing file attributes, such as owners and permissions, as well as file content.
The bash history feature can save you a lot of time when repeating commands or examining commands you’ve entered previously.
The looping options provided by bash include for loops, while loops and until loops. They can help you get a lot done without too much effort.
Linux systems provide many ways to view user activity, including when they login, how long they stay logged in, and what commands they run.
September is designated National Insider Threat Awareness Month, according to a group of federal agencies and tech industry organizations.
The top command is one of the most useful commands for getting a quick glimpse into how your Unix server is performing.
The diff, comm, cmp, and colordiff commands are among the many ways to compare text files on a Linux system.
The awk, cut, grep, expr, sed and xargs commands provide many useful options for manipulating text.
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