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The syntax for the ls command is as follows:
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[source,bash]
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----
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ls [OPTIONS] [FILES]
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----
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When used with no options and arguments, *ls* displays a list of the names of all files in the
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[source,bash]
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----
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bin cdrom dev home lib64 media opt root sbin srv tmp var
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boot etc initrd.img lib mnt proc run snap sys usr
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----
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Long Listing Format
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The -l option causes ls to print files in a long listing format.
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When the long listing format is used, the ls command will display the following file information:
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[source,bash]
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----
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drwxr-xr-x 1 root root 4096 Jul 24 14:45 home
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-rwxr-xr-- 1 root root 4096 Jul 24 14:45 home/text
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----
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* The file type
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** – file
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** d directory
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** l symbolic link
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* The file permissions
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** The characters are pretty easy to remember.
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*** r = read permission
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*** w = write permission
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*** x = execute permission
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*** - = no permission
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*file permissions in a three-digit octal number*
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[source,bash]
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----
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Number Permission Type Symbol
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0 No Permission ---
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1 Execute --x
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2 Write -w-
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3 Execute + Write -wx
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4 Read r--
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5 Read + Execute r-x
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6 Read +Write rw-
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7 Read + Write +Execute rwx
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----
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- File owner
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- File group
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- File size
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- Date and Time
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- File name
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