0
(ls) means list directory
(ls -l) to long list
and also used to show file or directory permissions.
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Tray it
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[root@localhost /]# ls /
ahmedtest boot etc lib media mnt opt root selinux sys usr
bin dev home lost+found misc net proc sbin srv tmp var
[root@localhost /]# ls /etc/passwd
/etc/passwd
[root@localhost /]# ls -l /etc/passwd
-rw-r--r-- 1 root root 1587 May 27 02:30 /etc/passwd
[root@localhost /]# ls -l /etc/passwd
-rw-r--r-- 1 root root 1587 May 27 02:30 /etc/passwd
[root@localhost /]# ls -n /etc/passwd
-rw-r--r-- 1 0 0 1587 May 27 02:30 /etc/passwd
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Which Linux command displays your login name?
The whoami command.
What do you mean by date command in Linux?
Exactly what the name says: It displays and sets the date on a Linux system.
What does the k command do in Linux?
k is not a standard command in Linux.
What is the command to turn on Linux?
There is no such command. Obviously, in order to enter a command into the prompt, Linux must already be on.
What command prints the full name of the current day in Linux?
date -u +%A
Which Linux command is equivalent to Windows' MD command?
In a Linux terminal, the command to create a new directory is: mkdir .
What command would you use to test Dns name resolution at a Windows command prompt?
nslookup if it was a linux machine nslookup works too, but dig -x on a linux machine will get more info for you
What Linux command sets a files permission?
In Linux the chmod command is used to set file permissions.
What is helo for Linux?
Nothing. Helo is not a recognized command in linux.
What is the maximum number of characters Linux allows in a keyboard command?
Linux does not have a limit as to the number of characters you can enter in a command.
What is the Linux command for installing an application?
At a terminal prompt: sudo apt-get install <application-name>
What happens when you enter a Linux command in capital letters?
You get a command not found. Linux is case sensitive. So, for example: The command "systemctl" will not be the same as "SystemCTL" to a shell in Linux. One will work, the other will return an error saying there's no such command.
