Show the contents of the current directory.
ls
Flags
-l : long format-a : show hidden files-t : sort by time modified, recently modified first-R : recursively show subdirectoriesUsage
ls -al
Show the memory used for disk
du
Flags
-s : total only-h : human readiblehttps://linuxize.com/post/how-get-size-of-file-directory-linux/
Usage
du -sh
atom . : Open current directory in Atomcode . : Open current directory in Visual Studio Codecode <directory> : Open directory in Visual Studio Codeopen <directory> : Open directory in Findernode (.*).js : Run javascript file in bashhttps://tecadmin.net/tutorial/bash-scripting/bash-command-arguments/
tail -f <log-file>cat file.txt | grep "title"
#!/bin/sh
for x in dog elephant fish; do
echo $x
done
#!/bin/sh
if [ $1 = hotdog ]; then
echo "You typed hotdog"
else
echo You did NOT type Hotdog
echo it was '"'$1'"'
fi
#!/bin/sh
#
# This program is going to be awesome
echo "Progam is starting..."
ls -la