Author: Nathan

In this Video we cover the du command. du estimate’s the file space usage

First we look at the du mange page and then we cover some real world examples

Use du to list files size

du [file]

Make du human readable

du -h

Use du to list directory size (summarize)

du -sh /home

Use du to summarize directory’s under a parent

du -h –max-depth=1 /etc

Du one file system

du -sxh /mnt

Exclude files from du

du –exclude=’*.gz’

In this video we cover the df command. DF reports file system disk space usage. DF differs from du because it looks at the file system and not files or directories.

We look at the man page for df and then we do some examples and what the output means

List disk usage on all file systems

df -a

Df human readable

df -h /

Use DF to check inodes

df -i

Show only local filesystems

df -hl

In this video I go over the most important command in Linux which is the ls command. Ls is how to list directory content.

 

First we look at the ls man page.  then we go over some ls examples

Ls show hidden file (all)

ls -a

Ls long listing

ls -l

Ls recursive

ls -lR

Ls human readable file sizes

ls -hs

Sorting by size with ls

ls -AlhS

Shoring by size in reverse

ls -AlhSr

Sorting by modified time with ls

ls -Alt

In this video we cover Linux strings and how to print printable characters in a binary file.

First we look at the strings man page and then we go over some examples

$ strings [file]