awk text processing data extraction pattern scanning Linux command

scp command secure copy file transfer SSH Linux command

id command Linux id command user information group information UID GID Linux commands

df command Linux disk usage file system statistics Linux commands

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find command Linux commands file search command line tools

touch command Linux command file creation update timestamps Linux filesystem

cp command Linux cp usage security risks of cp command file copying security Linux command line security

curl Linux command data transfer HTTP HTTPS FTP command line tool web servers APIs

nice command renice command Linux process priority CPU scheduling nice value renice process Linux commands process management

kill command killall command Linux pitfalls process management Linux commands system administration

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