| tar cvf dirname |
| tar xvf archivename |
| tar tvf archivename |
| rep -i the demofile |
| grep -A 3 -i "example" demotext |
| grep -r "ramesh" * |
| find -iname MyCProgram.c |
| find -iname "MyCProgram.c" -exec md5sum {} |
| find ~ -empty |
| ssh -l jsmith remotehost.example.com |
| ssh -v -l jsmith remotehost.example.com |
| ssh -V |
| sed -n '1!G;h;$p' filename.txt |
| awk -F ':' '$3==$4' passwd.txt |
| awk '{print $2,$5;}' employee.txt |
| vim +143 filename.txt |
| diff -w name_list.txt name_list_new.txt |
| sort names.txt |
| sort -r names.txt |
| export , grep ORACLE |
| export ORACLE_HOME=path |
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