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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://social.jvns.ca/users/b0rk/statuses/114270039474454095">Julia Evans (b0rk@social.jvns.ca)'s status on Thursday, 03-Apr-2025 05:08:15 JST</a><a href="https://social.jvns.ca/@b0rk" title="b0rk@social.jvns.ca"><img src="https://gnusocial.jp/avatar/88850-48-20230116234922.webp" width="48" height="48" alt="Julia Evans" style="position: absolute; left: 0; top: 0;">Julia Evans</a></section><article><p>every core unix command I use</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4835072#notice-9468500">In conversation</a><time datetime="2025-04-03T05:08:15+09:00" title="Thursday, 03-Apr-2025 05:08:15 JST">about 15 days ago</time> <span>from <span><a href="https://social.jvns.ca/@b0rk/114270039474454095" rel="external" title="Sent from social.jvns.ca via ActivityPub">social.jvns.ca</a></span></span><a href="https://social.jvns.ca/@b0rk/114270039474454095">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/4404951">## basic file stufftouch - create file
mkdir - create directory
cp - copy
mv - move
rm - delete
ln - create symlink
ls - list directory## how big is it
wc - word count
du - file size in bytes
df - filesystem usage## slice &amp; dice files
sed - replace regex
tr - replace character
grep - search file
cut - get column
awk - get column (+ more)
sort - sort lines
uniq - unique lines
head - first 10 lines
tail - last 10 lines## filesystems
mount - mount a filesystem
umount - unmount
dd - copy data to a disk## manage processes
ps - list processes
lsof - list open files
kill - send a signal
pkill - fancy `kill`
top - who's using CPU?
uptime - time since reboot## permissions
chown - change owner
chmod - change permissions## time stuff
time - measure runtime
date - current time
sleep - wait X seconds
cal - cute calendar## useful with pipes
less - scroll text
cat - print file contents
tee - stdin -&gt; file + stdout
xargs - run cmd for each line
find - find files by name## compression
tar - make/extract tar files
gzip - compress with gzip
gunzip - decompress
zip - compress with zip
unzip - decompress## &amp; more
which - find cmd on PATH
man - read man page
crontab - edit crontab
md5sum - calculate md5sum
diff - diff files</a></label><br><a href="https://cdn.masto.host/socialjvnsca/media_attachments/files/114/270/096/452/127/445/original/969b2173567ca8e5.png" rel="external">https://cdn.masto.host/socialjvnsca/media_attachments/files/114/270/096/452/127/445/original/969b2173567ca8e5.png</a></li></ol></footer></blockquote>

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Julia Evans (b0rk@social.jvns.ca)'s status on Thursday, 03-Apr-2025 05:08:15 JST Julia Evans
every core unix command I use
In conversationabout 15 days ago from social.jvns.capermalink
Attachments
1. ## basic file stuff touch - create file mkdir - create directory cp - copy mv - move rm - delete ln - create symlink ls - list directory ## how big is it wc - word count du - file size in bytes df - filesystem usage ## slice & dice files sed - replace regex tr - replace character grep - search file cut - get column awk - get column (+ more) sort - sort lines uniq - unique lines head - first 10 lines tail - last 10 lines ## filesystems mount - mount a filesystem umount - unmount dd - copy data to a disk ## manage processes ps - list processes lsof - list open files kill - send a signal pkill - fancy `kill` top - who's using CPU? uptime - time since reboot ## permissions chown - change owner chmod - change permissions ## time stuff time - measure runtime date - current time sleep - wait X seconds cal - cute calendar ## useful with pipes less - scroll text cat - print file contents tee - stdin -> file + stdout xargs - run cmd for each line find - find files by name ## compression tar - make/extract tar files gzip - compress with gzip gunzip - decompress zip - compress with zip unzip - decompress ## & more which - find cmd on PATH man - read man page crontab - edit crontab md5sum - calculate md5sum diff - diff files
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