curl – display, upload or download data from one server to another using supported protocols (FTP, HTTP, IMAP, POP3, SCP, SFTP, TFTP, etc.).
Example displays contents of URL:
curl http://www.kmo.name
Example using curl with ftp to download all files in free directory that have oneill in the name and are a .pdf:
curl ftp://ftp.kmo.name/free/[oneill].pdf
cu – command stands for call up and is utilized to connect to another Linux system.
~. Used to terminate the current connected conversation.
~? Used to display all available commands to utilize.
-c parameter used to know the phone number to call.
-p parameter of the port to be utilized.
-s parameter of the speed baud rate to utilize.
-z parameter utilized for the system to call.
Example: cu -s 38400 1234567890
ctags – command creates tags in files which then can be utilized for referencing.
-a parameter for appending.
-F parameter for searching for a pattern.
-R parameter to resurse through all files.
Example: ctags -R *
csplit – command utilized to split a file into several parts based on context lines provided.
Example: csplit hello.txt 5
crontab – table used with the cron command to edit, read and remove the files
read by the cron daemon. Each '*' asterisk stands for a portion of either
the time or date with the corresponding column in each row.
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The following is a Linux Dictionary word of the day:
cron – service to execute scheduled commands or
scripts every
minute, hour, day of the month, month of the year, day of the week. Each '*'
asterisk stands for a portion of either the time or date with the corresponding
column in each row. Cron needs to be utilized with a crontab file.
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cpio – copies files to and from an archive.
-o parameter which creates the archive.
-v parameter prints the names of the files as they are added to the archive.
Example: ls | cpio -ov > archive_of_files.cpio