Using Directories and Listing Files

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Using Directories and Listing Files

In this hands-on lab, we will practice moving through directories and listing files. Becoming comfortable changing directories, and listing files is a necessary step in moving through a Linux file system.

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Lab Info

Level

Beginner

Last updated

Aug 23, 2025

Duration

30m

Challenge

Determine Which File Is the Oldest
1. To list the directory and sort by date, we use -l for "long listing", -A for "almost all", and -t for "sort by time".
```
ls -lAt ~/Practice/Test/var/log/
```
Challenge

Determine Which File Is the Largest
1. To list the directory and sort by file size, we use -l ("long listing") and -S ("sort by file size").
```
ls -lS ~/Practice/Test/var/log/
```
Challenge

Determine When the File `~/Practice/Test/sos_commands/networking/netstat_-W_-neopa` Was Last Modified
1. We use a simple -l for "long listing" to view the last modified time and date.
```
ls -l ~/Practice/Test/sos_commands/networking/netstat_-W_-neopa
```
Challenge

Determine When the File `~/Practice/Test/sos_commands/networking/netstat_-W_-neopa` Was Last Accessed
1. To view access times, we use -l ("long listing") and-u` (access time).
```
ls -lu ~/Practice/Test/sos_commands/networking/netstat_-W_-neopa
```

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