$ls stderr.txt stderr.txt $ls stderr.txt | xargs ls stderr.txt $ls stderr.txt | xargs cat /home/jeffrin/quark/kernel/run_kernel.sh: line 10: ./main.native: No such file or directory $ls stderr.txt | xargs gzip $ls stderr.txt ls: cannot access 'stderr.txt': No such file or directory $ls stderr.txt.gz | xargs gunzip $ls stderr.txt stderr.txt $