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.
There are many options you can use to find files on Linux, including searching by file name (or partial name), age, owner, group, size, type and inode number.
Converting text between uppercase and lowercase can be very tedious, especially when you want to avoid inadvertent misspellings. Fortunately, Linux provides a handful of commands that can make the job very easy.
The pv command is especially helpful when you are running tasks that take a long time to complete and you want some feedback that displays your progress.
Running processes in the background can be convenient when you want to use your terminal window for something else while you wait for the first task to complete.
Case statements can allow you to simplify the logic of your scripts.
The zip command lets you compress files to preserve them or back them up, and you can require a password to extract the contents of a zip file.
Email spoofing is acknowledged by experts as a very credible threat.
These AND and OR equivalents can be used in scripts to determine next actions.
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