Acronym | Definition |
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sed | Stream editor for filtering and transforming text. |
awk | Pattern scanning and processing language. |
printf | Format and print data. |
nano | Easy to use command line text editor. |
vi / vim | Text editors with vim being an improved version of vi. |
gzip | Tool for file compression. |
bzip2 | File compression utility. |
zip | Package and compress (archive) files. |
tar | Archive tool commonly used to group files into a single file. |
xz | Compress or decompress files using high compression. |
cpio | Copy files to and from archives. |
dd | Convert and copy a file. |
stat | Display file or file system status. |
file | Determine file type. |
rsync | Utility for efficient file transfer and synchronization. |
scp | Secure copy (remote file copy program). |
nc (netcat) | Networking utility for reading/writing from/to network connections. |
mv | Move or rename files or directories. |
cp | Copy files and directories. |
mkdir | Create directories. |
rmdir | Remove directories. |
ls | List directory contents. |
pwd | Print working directory. |
rm | Remove files or directories. |
cd | Change directory. |
tree | Display a tree representation of directory structure. |
cat | Concatenate files and print on the standard output. |
touch | Change file timestamps. |
fdisk | Manipulate disk partition table. |
parted | Partition manipulation program. |
partprobe | Inform the kernel about partition table changes. |
mount | Mount a file system. |
df | Display free disk space. |
du | Disk usage - estimate file space usage. |
lvcreate / lvchange / lvextend | LVM commands for managing logical volumes. |
pvcreate / vgcreate / vgextend | Commands for creating/extending physical volumes and volume groups in LVM. |
mdadm | Manage MD (multi-disk) devices for RAID. |
lsscsi | List SCSI devices. |
lsblk | List block devices. |
blkid | Locate or print block device attributes. |
systemctl | System and service manager. |
nmcli | Network Manager command line tool. |
ifconfig | Configure or display network interface parameters. |
hostname | Show or set the system's host name. |
route | Show/manipulate the IP routing table. |
nsswitch | Service for configuring the handling of name service requests. |
dig / nslookup / host | DNS lookup utilities. |
WHOIS | Query and response protocol for querying databases storing registered users or assignees of an Internet resource. |
tcpdump | Dump traffic on a network. |
wireshark / tshark | Network protocol analyzers. |
netstat | Network statistics utility. |
traceroute | Trace the route to a network host. |
ping | Send ICMP ECHO_REQUEST packets to network hosts. |
mtr | Network diagnostic tool. |
SSH | Secure Shell a protocol for secure remote login and other secure network services. |
cURL / wget | Data transfer tools supporting various protocols. |
SCP | Secure Copy Protocol for securely transferring files. |
echo | Display a line of text. |
source | Read and execute commands from a file. |
grep / egrep | Print lines matching a pattern. |
tee | Read from standard input and write to standard output and files. |
wc | Print newline word and byte counts for files. |
cut | Remove sections from each line of files. |
tr | Translate or delete characters. |
head / tail | Output the first/last part of files. |
find | Search for files in a directory hierarchy. |
xargs | Build and execute command lines from standard input. |