## 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

Notices where this attachment appears

Notices where this attachment appears