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removes the directory, specified by the Directory parameter, from the system
rmdir
used to change the root directory
chroot
a dialog-driven command in Linux used for creating and manipulating disk partition table / format disk
fdisk
used to delay for a fixed amount of time during the execution of any script
sleep
removes the user account identified by the login parameter
userdel
lets you switch the current user to any other user
su
a simple utility used to check whether a network is available and if a host is reachable
ping
It searches for files and directories in a directory hierarchy based on a user given expression and can perform user-specified action on each matched file.
find
compresses files
gzip
allows a user to gain disk usage information quickly
du
innit
schewpid
text editors
vim and nano
Enables you to remove a remote file system that is currently mounted
unmount
A software utility, offered by a Linux-like operating system that automates the scheduled task at a predetermined time
cron
Read the manual
man
Display disk filesystem information
df
Add new user or change existing users data
useradd and usermod
Command to escalate privileges in Linux
sudo
Trace all the network hops to reach the destination
traceroute
Command for granting ownership of files or folders
chown
Kill active processes by process ID or name
kill and killall
Mount file systems in Linux
mount
Display active processes
ps
Command to change file permissions
chmod
Find the difference between two files
diff
Allows you to check if two files are identical
cmp
Clear the terminal display
clear
Create blank/empty files
touch
Command used to create directories in Linux
mkdir
The most frequently used command in Linux to list directories
ls
Print working directory command in Linux
pwd
Similar usage as mv but for copying files in Linux
cp
Move or rename files in Linux
mv
Delete files or directories
rm
Display file contents on the terminal
cat
Print any text that follows the command
echo
Get the active username
whoami
Search for a string within an output
grep
Return the specified number of lines from the top
head
Return the specified number of lines from the bottom
tail
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