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CSC209 Tutorial Unix & Shell Programming (1)

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CSC209 Tutorial Unix & Shell Programming (1) TA: Guoli Li Agenda •Basic Unix Commands (with online demo) -Login & Logout -Basic file management -Use the man page -File structure ...

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CSC209 Tutorial Unix & Shell Programming (1) TA: Guoli Li Agenda •Basic Unix Commands (with online demo) -Login & Logout -Basic file management -Use the man page -File structure & User account •Shell Programming (with online demo) -Shells on CDF -IO redirection -Pipes Login & Logout •Logging in -User name -Password •Logging out -Exit -Clear •Remote access -SSH : ssh userid@hostname -SFTP: sftp userid@hostname •ls   and lls •put  and get Basic Unix Commands •touch:  change file timestamps •mkdir: make directories (-v) •rmdir: remove empty directories •cd:  go to a directory •ls: list directory contents (-a -l) •cp: copy files and directories (-r) •mv:   move (rename) files •rm:   remove files or directories (-rf) Basic Unix Commands •cat: concatenate files and print on the standard output •wc: print the number of bytes, words, and lines in files (-l -w -c ) •chmod: change file access permissions (-R) (ugoa, +-=,rwx) •grep: print lines matching a pattern •man:  online manual File Structure •cd: go to a directory •pwd: print name of current/working directory •pushd:  adds  a  directory to the top of the directory stack •popd:  removes entries from the directory stack. •who: show who is logged on •whoami: print effective userid Shell Programming •Shells on CDF    /bin/*sh - sh bashcshtcsh dash  ksh ash rbash  rzsh  tcsh  zsh •Default Shell: echo $SHELL -tcsh on CDF •Change default shell -chsh -s /bin/bash username •I/O redirection -Prog   <    infile    > outfile -Prog  > &   outfile                                    &n ...

Source: www.cdf.toronto.edu

 

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