My list of important Linux commands

Category:

Tutorials > Operating Systems > Linux > Tools

After working with Linux operating system for quite sometime now, I have compiled a list of some of the most useful commands to help perform the day-to-day administrative tasks.

Text/Data:

cat
wc
head
tail
echo

Text Editors:

nano
vi

Filesystem:

ls
df
cat /proc/diskstats
cat /proc/sys/fs/file-max

Performance:

top (1 for all CPUs)
mpstat -P ALL 2 1
vmstat 5
iostat -dx 5

Monitoring:

top
mpstat -P ALL 2 1
watch

General Info:

whoami
hostname
pwd
ls
env
lsof
lsmod
date

Linux Administration:

cat /proc/version
cat /proc/cpuinfo
cat /proc/mounts
cat /proc/filesystems
cat /proc/uptime
cat /proc/mounts

Advanced:

cat /proc/diskstats
cat /proc/devices
cat /proc/mdstat (software RAID)
cat /proc/sys/fs/file-max
cat /proc/partitions
cat /proc/meminfo
cat /proc/vmstat
cat /proc/modules

Did this tutorial help a little? How about buy me a cup of coffee?

Please feel free to use the comments form below if you have any questions or need more explanation on anything. I do not guarantee a response.

IMPORTANT: You must thoroughy test any instructions on a production-like test environment first before trying anything on production systems. And, make sure it is tested for security, privacy, and safety. See our terms here.

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